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  • PTAB · Apr 21, 2023 · PGR2022-00007 · APJ Thu A Dang · PGR · Final written decision

    Claims 1–19 are unpatentable: they lack written-description support, and the asserted combinations of Ellison and Muir, with Al-Salqan or Searle for dependent claims, render them obvious.

    RulingsFinal written decision
    • Disclosure Requirements (§112) › Written description (Ariad)Written description inadequateUnpatentable

      “specific, and must be determined on a case-by-case basis. Ariad Pharm., Inc. v. Eli Lilly & Co., 598 F.3d 1336, 1351 (Fed. Cir. 2010) (en banc). The test for sufficiency of support is whether the disclosure of the application relied upon “reasonably conveys to the artisan that the inventor had possession at that time of the later claimed subject matter.” Vas–Cath Inc. v. Mahurkar, 935 F.2d 1555, 1563 (Fed. Cir. 1991). “One shows that one is ‘in possession’ of the invention by describing the invention, with all its claimed limitations,” wherein, “[w]hile the meaning of terms, phrases, or diagrams in a disclosure is to be explained or interpreted from the vantage point of one skilled in the art, all the limitations must appear in the specification.” Lockwood v. Am. Airlines, Inc., 107 F.3d 1565, 1572 (Fed. Cir. 1997). That is, “it is the specification itself that must demonstrate possession” and “a description that merely renders the invention obvious does not satisfy the [written description] requirement.” Ariad Pharm., 598 F.3d at 1351 (“[T]he level of detail required to satisfy the written description requirement varies depending on the nature and scope of the claims and on the complexity and predictability of the relevant technology.”).” slip op. at 9

    • Claim Construction › Threshold & procedure › Whether a term needs construction (O2 Micro)Term construed petitioner constructionDecided for petitioner

      “Only those terms in controversy need to be construed, and only to the extent necessary to resolve the controversy. See Realtime Data, LLC v. Iancu, 912 F.3d 1368, 1375 (Fed. Cir. 2019) (“The Board is required to construe ‘only those terms that . . . are in controversy, and only to the extent necessary to resolve the controversy.’”) (quoting Vivid Techs., Inc. v. Am. Sci. & Eng’g, Inc., 200 F.3d 795, 803 (Fed. Cir. 1999)).” slip op. at 22

    • Obviousness (§103) › Motivation to combine / reasonable expectation of successMotivation foundReasonable expectation foundDecided for petitioner

      “vi. Proposed Combination of Ellison and Muir Petitioner contends that Ellison discloses “an isolated execution architecture that improves security in a computer system or platform by implementing several levels of hierarchy and normal and isolation execution modes for the operating system and processor.” Pet. 46–47 (citing Ex. 1006, 1:12–15, 2:40–61, Fig. 1). Although Petitioner acknowledges that Ellison “does not reveal details of [] a system or transaction between multiple parties,” Petitioner relies on Muir for such teaching. Id. at 47. According to Petitioner, a POSITA looking to implement Ellison’s isolated execution architecture in a computer with multiple devices “would have looked to Muir’s teachings to implement a secure electronic transaction between two parties,” because “both Ellison and Muir are related to providing improved security for transactions involving keys using cryptographic techniques.” Id. at 48 (citing Ex. 1006, 1:38–51; Ex. 1008, 7, 8, 11; Ex. 1003 ¶ 66). We agree with Petitioner’s motivation to combine the teachings of Ellison and Muir, as supported by Dr. Black’s testimony (Pet. 46–51 (citing Ex. 1003 ¶¶ 64–71), and find unavailing Patent Owner’s contention that “a POSITA would not have looked to Muir to cure the deficiencies of Ellison.” PO Resp. 39. Although Patent Owner contends that “Petitioner fails to show with particularity the why and how required for its obviousness combinations” (PO Resp. 68), we agree with Petitioner’s contention that, in the combination of Ellison and Muir, “each device involved in a transaction would have been connected through a computer network such as Mui’s included Ellison’s isolated execution architecture and one or more parts of Muir’s system.” Pet. 48. We credit the testimony of Dr. Black as sufficient support for Petitioner’s contention, when he explains, “a POSITA would have viewed extension of Ellison’s system to include the multi-party transactions described by Muir to have been a natural and obvious extension,” wherein a “a POSITA would have been motivated to enable such multi-party transaction [] in Ellison’s system to increase the functionality and usefulness of Ellison’s system.” See Ex. 1003 ¶ 69. Thus, we find unavailing Patent Owner’s contention that Petitioner “has not established its prima facie case.” PO Resp. 68.” slip op. at 44

    • Obviousness (§103) › Graham factors (scope of art, differences, level of skill)UnpatentableUnpatentable

      “We find unavailing Patent Owner’s contention which is directed to Ellison alone, and not to the combination of Ellison and Muir proposed by Petitioner. See PO Resp. 47. We agree with Petitioner’s contention that Ellison’s private key 204 “can be used ‘to encrypt a digest of a message producing a signature” (see Ex. 1006, 60–65 (“In the digital signature generation process, the protected private key 204 is used as an encryption key to encrypt a digest of a message producing a signature”)), wherein “Muir clearly discloses using a digital signature for transactions between two parties.” Pet. Reply 25 (citing Ex. 1006, 8:59–65; Ex. 1008, 2, 3, 6, 9, 10, 12, 18; Ex. 1032 ¶ 29). Thus, contrary to Patent Owner’s contention, we agree with Petitioner’s position regarding the combination of Ellison and Muir for teaching that “private key 204” is “for the protection of digital transactions involving two parties.” PO Resp. 47. Based on the complete record presented, we determine Petitioner has demonstrated sufficiently that a POSITA would have been motivated to combine Ellison and Muir, wherein the combination of Ellison and Muir teaches “providing a private key in a memory of said electronic device,” the device,” the private key being “inaccessible to a user of said electronic device,” and “encrypted when the private key is stored in said memory,” as recited in claim 1.” slip op. at 36

    Patent outcomesUS 10,992,480 unpatentable
    Claim construction§ 103 obviousness§ 112 disclosurecites KSR · Graham
    Patents in suitUS 10,992,480
  • PTAB · Jan 18, 2023 · IPR2022-01215 · APJ Grace Karaffa Obermann · IPR · Institution

    The Board instituted inter partes review of claims 1–4, 7, 11–14, 18, and 31 on all asserted grounds, finding at least one claim sufficiently shown anticipated by Yu.

    RulingsInstitution decision
    • PTAB / AIA Trials › Institution threshold (reasonable likelihood / more likely than not)InstitutedInstituted

      “The Petition includes detailed arguments that map the limitations of the challenged claims to specific disclosures in Yu (Sample 1). Id. at 50–62. The Petition also maps adequately the limitations of the challenged claims to specific disclosures in Stewart (Example 2). Id. at 62–66. For example, Petitioner shows sufficiently that Yu (Example 1) coextrudes “a multilayered polymeric film,” that is, a “sheet,” arranged in the hard-soft-hard-soft-hard, five-layer configuration required by claim 11. Pet. 50–51; Ex. 1002 ¶¶ 124, 126–128; Ex. 1012 ¶¶ 63, 78, 92. Petitioner also shows sufficiently that the hard layers in that configuration of Yu (Example 1) are “hard” and the hard layers are “hard” within the meaning of claim 11. Pet. 53; Ex. 1002 ¶ 131; Ex. 1012 ¶ 78. In other words, Petitioner shows sufficiently, on this record, that Yu (Example 1) anticipates claim 11. Based on the information presented, we find that Petitioner shows sufficiently, for purposes of trial institution, that at least one challenged claim of the ’263 patent is anticipated by Yu (Sample 1).” slip op. at 12

    • Disclosure Requirements (§112) › Written description (Ariad)Not entitled to earlier dateDecided for petitioner

      “That prior art disclosure of elastomeric materials for use as the outer layers in an unclaimed and disfavored soft-hard-soft layer configuration does not convey, with reasonable clarity, that the inventors had possession of the claimed subject matter, in which the elastomeric material forms the inner layer of a polymeric sheet in a hard-soft-hard layer configuration. See id. ¶¶ 7, 33–35, 109–110. Even if the hardness limitation of the challenged claims would have been obvious from the relied-upon disclosure of the ’176 application (Ex. 2001 ¶ 109), that circumstance is insufficient to establish written description support. “Entitlement to a filing date does not extend to subject matter which is not disclosed, but would be obvious over what is expressly disclosed.” PowerOasis, Inc. v. T-Mobile USA, Inc., 522 F.3d 1299, 1306 (Fed. Cir. 2008) (quotations omitted); see Pet. 21 (quoting that precedent). Accordingly, we agree with Petitioner that the invention that Patent Owner seeks to protect in the ’263 patent does not appear to be “part of the invention” described in the ’176 application. Pet. 40; see Ex. 2001 ¶ 109 (describing elastomeric materials, having the specified hardness, only in the context of an unclaimed prior art soft-hard-soft embodiment). On this record, we preliminarily agree with Petitioner that the earliest effective filing date to which the ’263 patent appears to be entitled is December 18, 2019, namely, the filing date of the ’256 application, from which the ’263 patent issued. Ex. 1001, codes (21), (22). Patent Owner may contest this issue in a timely response to the Petition.” slip op. at 9

    • Skill levelNot reached

      “The parties disagree about whether the ordinarily skilled artisan would have had specific “experience with dental appliances or access to individuals with such experience.” Prelim. Resp. 17; see Pet. 14–15 n.1 (disagreeing with that proposition). Neither party explains why a resolution of that Stat. 284 (September 16, 2011), includes revisions to Section 102(a) that became effective on March 16, 2013. For reasons explained in this Decision, on this record it appears Petitioner is correct that the challenged claims are entitled to an effective filing date no earlier than December 18, 2019 and, therefore, the AIA provisions apply in this proceeding. See Pet. 22, 39–40; Ex. 1001, code (60). 2 WO 20010/043419 A1, published Apr. 22, 2010, with English Translation (Ex. 1015). 3 We take notice that the first and second grounds identified in the Petition assert anticipation based on the same prior art disclosure. 4 US Pub. 2004/0224283 A1, published Nov. 11, 2004 (Ex. 1008). dispute is necessary to this Decision to institute review. See, e.g., Prelim. Resp. 17 n.2 (“even under Petitioner’s proposed definition, the Petition fails to show a reasonable likelihood that any claim is unpatentable”); Pet. 14–15 & n.1 (arguing about the issue without explaining how a resolution of the dispute would change the outcome of the decision on institution). If either party believes that the difference in level of skill would have a material effect on the analysis of the patentability of the challenged claims, that issue should be specifically addressed in briefing during the trial. We will resolve that dispute only to the extent necessary in any final written decision. Based on the information presented, we find that the asserted prior art itself is sufficient to demonstrate the level of skill in the art at the time of the invention. See Okajima v. Bourdeau, 261 F.3d 1350, 1355 (Fed. Cir. 2001) (prior art itself can reflect the appropriate level of ordinary skill in the art).” slip op. at 6

    • Claim Construction › Threshold & procedure › Whether a term needs construction (O2 Micro)No construction needed

      “We construe terms in controversy only to the extent necessary to resolve the controversy. See Nidec Motor Corp. v. Zhongshan Broad Ocean Motor Co., 868 F.3d 1013, 1017 (Fed. Cir. 2017) (quoting Vivid Techs., Inc. v. Am. Sci. & Eng’g, Inc., 200 F.3d 795, 803 (Fed. Cir. 1999)). “Petitioner discusses the terms “layer A,” “layer B,” “layer C,” “layer C,” “layer B',” inner layer B,” “inner layer B',” and “inner layer D.” Pet. 15–20. Patent Owner discusses the terms “layer” and “inner.” Prelim. Resp. 19–22. Taking account of the information presented, we determine that no claim term requires express construction for purposes of deciding whether to institute review. Compare Pet. 15–20 (addressing issues of claim construction, without demonstrating that an express construction is necessary to resolve whether to institute review), with Prelim. Resp. 19–22 (same).” slip op. at 7

    Claim construction§ 112 disclosurecites Phillips · Graham
    Patents in suitUS 10,870,263
  • PTAB · Apr 26, 2022 · PGR2022-00007 · APJ Thu A Dang · PGR · Institution

    The Board instituted PGR on claims 1–19 based on likely lack of written description and obviousness over Ellison and Muir, with Al-Salqan or Searle added for certain claims.

    RulingsInstitution decision
    • PTAB / AIA Trials › Institution threshold (reasonable likelihood / more likely than not)InstitutedInstituted

      “Section 324(a) of Title 35 of the United States Code provides that a post-grant review may not be instituted “unless . . . the information presented in the petition . . . , if such information is not rebutted, would demonstrate that it is more likely than not that at least 1 of the claims challenged in the petition is unpatentable.” Upon consideration of the evidence and arguments in the Petition (including its supporting testimonial evidence) as well as the evidence and arguments in the Preliminary Response, for the reasons below, we determine that the information in the Petition satisfies the threshold provided in 35 U.S.C. § 324(a) and we institute this proceeding.” slip op. at 2

    • Disclosure Requirements (§112) › Written description (Ariad)Not entitled to earlier dateOther

      “not present in the written description whose benefit is sought it must be shown that a person of ordinary skill would have understood, at the time the patent application was filed, that the description requires that limitation.” Hyatt v. Boone, 146 F.3d 1348, 1353 (Fed. Cir. 1998) (emphasis added). In other words, where the written description fails to disclose an element explicitly, “the applicant must show that any absent text is necessarily comprehended in the description provided and would have been so understood at the time the patent application was filed.” Id. at 1354–55 (emphases added). At this stage of the proceeding, we do not find persuasive Patent Owner’s contention that a person of ordinary skill in the art would have recognized that authentication software has a “private key” that forms an “integral part of the authentication software component and/or is embedded therein” (Prelim. Resp. 13 (quoting Ex. 1001, 5:39–40)), in view of the cited section in the Detailed Description describing the authentication software as comprising the unique serial number, the unique software ID and/or a private encryption key, but only the unique serial number or the unique software ID is embedded therein. See Ex. 1001, 5:39–49. That is, we are unpersuaded at this stage of the proceeding that the person of ordinary skill in the art will directly and unambiguously deduce from the ’773 application as filed that the “private encryption key” is embedded in the authentication software, as Patent Owner contends. Prelim. Resp. 13. Instead, we find persuasive Petitioner’s contention that the ’480 patent (i.e., the ’773 application) merely teaches storing the digital signing algorithm in a secure part of the BIOS 44 but is silent as to storage of the private key. Pet. 18 (citing Ex. 1001, 9:27–34, 13:31–44; Ex. 1003). As Petitioner contends, the” slip op. at 20

    • Claim Construction › Intrinsic evidence (Phillips canons) › Plain and ordinary meaning to a POSITATerm construed board ownOther

      “The Specification of the ’480 patent discloses secure area 62 only accessible to BIOS 44, comprising applications and storage locations not reported to operating system 48 (Ex. 1001, 8:62–9:1), wherein, as shown in Figure 3, secure area 62 comprises secure storage location 60, recovery application 56, and authentication software 54. Id. at 9:7–11. That is, the Specification shows “secure memory inaccessible to said operating system” as a location that holds software not accessible to operating system 48. Id. Nothing in the Specification, or the general knowledge in the art, limits “secure memory inaccessible to said operating system” to Ellison’s “isolated storage area 70,” or precludes Ellison’s “secure platform 200,” as Patent Owner proposes. Prelim. Resp. 35–36. In fact, nothing in the Specification or the general knowledge in the art limits the “storage” to any amount of time in the secure memory. We are unpersuaded by Patent Owner’s apparent position that software that is loaded into a secure location of execution is not software that is “stored” in a “secure memory” location. Prelim. Resp. 35–36. In view of the Specification and the general knowledge in the art, we determine that the term “stored in said secure memory inaccessible to said operating system” encompasses being held in any secure location that is determination here is preliminary, and the parties are invited to address this claim construction issue at trial, if so desired.” slip op. at 25

    • Obviousness (§103) › Motivation to combine / reasonable expectation of successInstituted

      “ii. “providing a private key in a memory of said electronic device, said memory being a secure part of a Basic In Out System or any other secure location in said electronic device, which private key is inaccessible to a user of said electronic device, wherein the private key is encrypted when the private key is stored in said memory” (claim 1) Petitioner contends that Ellison’s “isolated execution regions ‘is accessible only to elements of the operating system and processor operating in isolated execution mode,’” and that “isolated mode applets 461 to 46K and their data are tamper-resistant and monitor-resistant from all software attacks from other applets and OS 12.” Pet. 56 (citing Ex. 1006, 4:1–22). According to Petitioner, “[a] user is not an element of the operating system and processor operating in isolated execution mode, and therefore 6 The issue of whether the preamble is limiting need not be resolved at this stage of the proceeding because, regardless of whether the preamble is limiting, Petitioner shows sufficiently for purposes of institution, and Patent Owner does not dispute, that the combination of Ellison and Muir teaches a method for performing an electronic transaction between first and second transaction parties, as recited in the preamble. See Realtime Data, 912 F.3d at 1375 (noting that we need only construe “only those terms that . . . are in controversy”). Ex. 1003 ¶ 92). Petitioner then contends that Ellison discloses “a secure platform 200 that ‘includes the OS nub 16, the processor nub 18, a key generator 240, . . . , all operating within the isolated execution environment.’” Pet. 58 (citing Ex. 1006, 8:25–32; Ex. 1003 ¶ 95). Petitioner also contends that “the private key 204 can be stored in the cryptographic key storage 155 and in a multiple key storage of the non-volatile flash memory 160,” and “only the OS nub 16 can retrieve the private key.” Id. at 59–60. According to Petitioner, because “the OS nub 16 is within the secure platform and isolated environment,” it would have been obvious to a person of ordinary skill in the art (POSITA) that “the cryptographic key storage 155 and the non-volatile flash memory 160 are secure storage locations so that the private key 204 can be accessed securely by OS nub 16.” Id. (citing Ex. 1003 ¶ 96). Thus, Petitioner contends that “Ellison explicitly teaches that the OS nub 16 and private key 204 shown in platform 200 all operate within the isolated execution environment,” which “would indicate to a POSITA that private key 204 is stored in a secure memory and is inaccessible to a user of said electronic device.” Id. Nevertheless, Petitioner contends that Muir “explicitly teaches a private key 167 stored in a restricted memory space 170 which is inaccessible to the operating system.” Id. at 60 (citing Ex. 1008, 7–9, 3). Petitioner then contends that Ellison’s OS nub 16 “retrieves the encrypted private key 204 and decrypts it for use in the isolated environment.” Pet. 61 (citing Ex. 1006, 8:33–65, 11:1–12:26). Thus, Petitioner contends that “Ellison and Muir render obvious the private key 204 being encrypted when stored in a secure memory (e.g.,” slip op. at 32

    Claim construction§ 103 obviousness§ 112 disclosurecites KSR · Graham
    Patents in suitUS 10,992,480
  • PTAB · Feb 18, 2022 · IPR2020-01503 · APJ Jo-Anne M Kokoski · IPR · Final written decision

    Claims 7–15 are unpatentable as obvious over Nagai and Jagtiani; the priority applications lack written-description support for the claimed electrical detection and cell-counting combination.

    RulingsFinal written decision
    • Skill levelSkill level petitioner adoptedDecided for petitioner

      “In the Institution Decision, we determined that Petitioner’s definition was consistent with the disclosure of the ’351 patent and the scope and content of the asserted prior art to the extent that Petitioner’s definition requires familiarity with the design and operation of automated hematology analyzers available in the market. Dec. 8 (citing Ex. 1001, 1:45–61, 15:52– 58). We also determined that Petitioner’s proposal was more reasonable than Patent Owner’s with respect to the duration of a POSA’s practical experience, whether such practical experience is in addition to or possibly as experience could be merely using hardware and/or software for an analyzer, as opposed to developing such hardware and/or software. Id. at 8–9. Neither party contends that the differences in proposals affect the outcome of this proceeding, and we find that they do not. Nonetheless, on the full record now before us, we find that our identification of the level of ordinary skill in the art in the Institution Decision, modified to state that a higher level of experience can compensate for less technical education, is supported by the ’351 patent, the prior art of record, and the opinions of Mr. Roche and Dr. Robinson (which, as discussed above, recognize that additional work experience can compensate for technical education). Thus, we find that a POSA would have had at least a Bachelor’s or Master’s degree in biologic science, biomedical engineering, and/or electrical engineering or a related field and at least five years of experience in developing hardware and/or software for hematology analyzers, and would have been familiar with the design and operation of hematology analyzers available in the market. We also find that less technical education may be compensated by a higher level of experience, or vice versa.” slip op. at 10

    • Prior constructionPrior construction adoptedDecided for petitioner

      “a controller programmed to,” “optical detector,” “electrical detector,” and “mono-nucleated cells and poly-nucleated cells” as recited in claim 7, and “total count of nucleated cells” as recited in claims 8 and 13. Pet. 22–29. Patent Owner responds that “[t]he District Court issued an opinion regarding claim construction on April 6, 2021,” and, “[f]or purposes of this proceeding, Patent Owner applies the District Court’s constructions.” PO Resp. 13. Patent Owner also specifically addresses the terms “controller programmed to” and “electrical detector.” Id. at 13–14. Petitioner replies that its proposed claim constructions are consistent with the District Court’s constructions. Pet. Reply 4–5. At the oral hearing, the parties confirmed that they do not dispute the District Court’s claim constructions. See Tr. 16 (Petitioner’s counsel stating that “Petitioner would request that this Board adopt these same [District Court] constructions in this IPR”), 34 (Patent Owner’s counsel agreeing that “neither side has objected to the court’s claim construction”). Based on the parties’ apparent agreement, and considering the record before us and the Report and Recommendation from the District Court (Ex. 2065), we agree with and adopt the District Court’s claim constructions. See 37 C.F.R. § 42.100(b) (“Any prior claim construction determination concerning the claim in a civil action . . . that is timely made of record in the inter partes review proceeding will be considered.”). Accordingly, we construe the terms “controller programmed to,” “electrical detector,” and “optical detector” as set forth below. slip op. at 12

    • Disclosure Requirements (§112) › Written description (Ariad)Not entitled to earlier dateNot shown unpatentable

      “that Petitioner has established that the priority applications do not provide adequate written description support for the challenged claims. More specifically, we find that the priority applications do not reasonably convey to a POSA that the inventors were in possession of a sample analyzer that both (1) uses an electrical detector to electrically sense cells in a body fluid measurement sample, and (2) from the analysis of the cells sensed by the electrical detector, counts the number of mono-nucleated cells and poly-nucleated cells in the body fluid measurement sample as required by claim 7.” slip op. at 17

    • Obviousness (§103) › Motivation to combine / reasonable expectation of successMotivation foundReasonable expectation foundUnpatentable

      “Based on our review of the record, we determine that Petitioner has established that a POSA would have had reason to combine the teachings of Nagai and Jagtiani to achieve the claimed subject matter. Nagai describes an electrical detector (RBC/PLT detection unit 42) that “is capable of measuring the number of red blood cells and platelets by a sheath flow-DC detection method.” Ex. 1044, 6:58–63, Fig. 5. Nagai also describes WBC detection unit 41 that produces a DIFF scattergram that, in the body fluid measuring mode, is analyzed in order to classify the white blood cells into two subclasses, namely, mono-nucleated cells and poly-nucleated cells. Id. at 5:56–58, 12:27–36. Nagai teaches that WBC detection unit 41 is “configured as an optical detection unit” that performs white blood cell classification in the body fluid measurement mode using a combination of electrical resistance and absorbed light. Id. at 5:56–58, 15:52–16:6. Jagtiani teaches a channel sensor that can detect impedance to differentiate between different types of cells in a biological sample, including differentiating between red blood cells, white blood cells, and platelets. Ex. 1045 ¶¶ 21, 25; see also id. ¶ 187 (“The channel sensor is based on impedance sensing using the Coulter principle.”). Jagtiani teaches the sensor can be configured to differentiate between and count the number of eosinophils, basophils, neutrophils, monocytes, and lymphocytes in the biological sample. Id. ¶ 25; see also id. ¶ 121 (“In some embodiments, the cell count can include a white blood differential, and can include a count of basophils, a count of eosinophils, a count of lymphocytes, a count of neutrophils, and/or a count of monocytes.”). Jagtiani further teaches that “[s]uch biological samples can include, for example, blood, serum, saliva, sweat, tears, urine, or any other biological sample or derivative suspended in a fluid.” Id. ¶ 119. In light of these teachings in Nagai and Jagtiani, we credit Mr. Roche’s testimony that Jagtiani demonstrates a known technique of detecting poly-nucleated and mono-nucleated white blood cells using an electrical detector. A POSA at the time of the invention would have been led to modify Nagai with the teaching of Jagtiani in the manner claimed to allow the body fluid measurement of Nagai to differentiate poly-nucleated and mono-nucleated blood cells (instead of measuring red blood cells alone). Such a motivation is found, for example, in Petitioner’s DxH system, which discloses use of an electrical detector in both a blood measuring mode and a fluid measuring mode. Ex. 1042 ¶¶ 30, 31. In the DxH system, use of an electrical detector in both the blood measuring mode and body fluid measuring mode allows identification of total number of cells in measured body fluid.” slip op. at 29

    Patent outcomesUS 10,401,351 unpatentable
    Claim construction§ 103 obviousness§ 112 disclosurecites Phillips · KSR
    Patents in suitUS 10,401,351
  • PTAB · Jan 18, 2022 · IPR2021-01114 · APJ Thu A Dang · IPR · Institution

    The Board denied institution of IPR challenging claims 17–19, 26–31, 35, and 36 because substantially the same arguments were previously presented and Petitioner did not show material Office error.

    RulingsInstitution decision
    • PTAB / AIA Trials › Discretionary denial › §325(d) same art / argumentsInstitution denied 325dInstitution denied

      “our discretion to deny institution under 35 U.S.C. § 325(d) based on the framework set forth in Advanced Bionics, LLC v. Med-El Elektromedizinische Geräte GMBH, IPR2019-01469, Paper 6 (PTAB Feb. 13, 2020) (precedential). In Advanced Bionics, the Board applied a two-part framework in considering whether to exercise discretion to deny institution under § 325(d): “(1) whether the same or substantially the same art previously was presented to the Office or whether the same or substantially the same arguments previously were presented to the Office; and (2) if either condition of [the] first part of the framework is satisfied, whether the petitioner has demonstrated that the Office erred in a manner material to the patentability of challenged claims.” Advanced Bionics, Paper 6 at 8. Only if the same or substantially the same art or arguments were previously presented to the Office do we then consider whether petitioner has demonstrated a material error by the Office. Id. at 10. “At bottom, this framework reflects a commitment to defer to previous Office evaluations of the evidence of record unless material error is shown.” Id. at 9.” slip op. at 10

    • Disclosure Requirements (§112) › Written description (Ariad)Written description adequateDecided for patent owner

      “For the foregoing reasons, the ’882 application identified the ’886 provisional with particularity and would have directly led an ordinarily skilled artisan to the document intended to be incorporated. Accordingly, we determine that Petitioner fails to show that the Examiner erred in determining that the ’882 application (Chu ’330) incorporated the ’886 provisional by reference.” slip op. at 23

    • Skill levelOther
    § 112 disclosureDiscretionary denial
  • PTAB · Jan 5, 2022 · IPR2021-01105 · APJ Scott A Daniels · IPR · Institution

    The Board denied institution for claims 1–3, 7–13, and 18–20 under § 325(d), finding the arguments previously presented and no material Examiner error.

    RulingsInstitution decision
    • PTAB / AIA Trials › Discretionary denial › §325(d) same art / argumentsInstitution denied 325dInstitution denied

      “Under § 325(d), the Board uses the following two-part framework: (1) whether the same or substantially the same art previously was presented 8 to the Office or whether the same or substantially the same arguments previously were presented to the Office; and (2) if either condition of the first part of the framework is satisfied, whether the petitioner has demonstrated that the Office erred in a manner material to the patentability of challenged claims.” Advanced Bionics, Paper 6 at 8. If the petitioner fails to show that the Office erred, the Director may exercise his or her discretion not to institute inter partes review. Id.; see also Becton, Dickinson, Paper 8 at 24 (exercising discretion where “Petitioner has not pointed to error by the Examiner”). 1. Part I – whether the same or substantially the same arguments previously were presented to the Office slip op. at 8

    • Disclosure Requirements (§112) › Written description (Ariad)Written description adequateDecided for patent owner

      “The Examiner in each of these cases did not object to the amendments as new matter or issue a rejection under 35 U.S.C. § 112, ¶ 1 for lack of written description support for the claims. NTP, 654 F.3d at 1277. Instead, the Examiner entered the amendments and subsequently allowed the ’912 application with the subject matter added from Chu ’886. Ex. 1009, 419 (Notice of Allowance and Fee(s) Due). The incorporation by reference statement in the transmittal form also was never objected to by any Examiner during prosecution of the ’882 application (Chu ’330), the ’758 application (initial parent application), and all eight continuation applications in the priority chain of the ’797 patent, as well as Chu ’777 and all six reissue applications in the priority chain of Chu ’777, as noted in our Decision Denying Institution in IPR2021-00607, Paper 7 at 20. Moreover, none of the Examiners required the applicant to change its benefit claims from “continuation” to “continuation-in-part” in those continuation applications. 20 For the foregoing reasons, the ’882 application identified Chu ’886 with particularity and would have directly led an ordinarily skilled artisan to the document intended to be incorporated. Accordingly, we determine that Petitioner fails to show that the Examiner erred in determining that the ’882 application (Chu ’330) properly incorporated Chu ’886 by reference. In addition, as discussed above, Petitioner admits that the ’758 application (the initial parent application) incorporated by reference the ’882 application. Pet. 28; see also Ex. 1013, 4:50−53. It also is undisputed that each subsequent application in the priority chain identified each preceding application as required by 35 U.S.C. § 120 and incorporated by reference the prior applications and the ’882 application. See, e.g., Ex. 1001, 1:10−28, 9:36–39; Ex. 1008, 1:12−27, 9:27−29. As such, we also find that Petitioner has failed to show (1) the ’797 patent is not entitled to a priority date before April 15, 2011, (2) the ’436 patent’s parent applications did not properly incorporate by reference Chu ’886, (3) the amendments adding the subject matter from Chu ’886 improperly introduced new matter, and (4) that there is no support for the added written description in the ’436 patent, and hence the ’797 patent, in the respective parent applications. Pet. 23−39.” slip op. at 20

    § 112 disclosureDiscretionary denial
    Patents in suitUS 8,977,797
  • PTAB · Dec 6, 2021 · IPR2021-01108 · APJ Thu A Dang · IPR · Institution

    The Board denied institution for claims 1–3, 7–9, 13–17, 19, 20, 25, and 33–35 under § 325(d), finding the same arguments were previously presented and no material examiner error was shown.

    RulingsInstitution decision
    • PTAB / AIA Trials › Discretionary denial › §325(d) same art / argumentsInstitution denied 325dDenied

      “review], the Director may take into account whether, and reject the petition or request because, the same or substantially the same prior art or arguments previously were presented to the Office.” We determine whether to exercise our discretion to deny institution under 35 U.S.C. § 325(d) based on the framework set forth in Advanced Bionics, LLC v. Med-El Elektromedizinische Geräte GMBH, IPR2019-01469, Paper 6 (PTAB Feb. 13, 2020) (precedential). In Advanced Bionics, the Board applied a two-part framework in considering whether to exercise discretion to deny institution under § 325(d): “(1) whether the same or substantially the same art previously was presented to the Office or whether the same or substantially the same arguments previously were presented to the Office; and (2) if either condition of [the] first part of the framework is satisfied, whether the petitioner has demonstrated that the Office erred in a manner material to the patentability of challenged claims.” Advanced Bionics at 8. Only if the same or substantially the same art or arguments were previously presented to the Office do we then consider whether petitioner has demonstrated a material error by the Office. Id. at 10. “At bottom, this framework reflects a commitment to defer to previous Office evaluations of the evidence of record unless material error is shown.” Id. at 9.” slip op. at 10

    • PTAB / AIA Trials › Institution threshold (reasonable likelihood / more likely than not)Institution denied

      “review], the Director may take into account whether, and reject the petition or request because, the same or substantially the same prior art or arguments previously were presented to the Office.” We determine whether to exercise our discretion to deny institution under 35 U.S.C. § 325(d) based on the framework set forth in Advanced Bionics, LLC v. Med-El Elektromedizinische Geräte GMBH, IPR2019-01469, Paper 6 (PTAB Feb. 13, 2020) (precedential). In Advanced Bionics, the Board applied a two-part framework in considering whether to exercise discretion to deny institution under § 325(d): “(1) whether the same or substantially the same art previously was presented to the Office or whether the same or substantially the same arguments previously were presented to the Office; and (2) if either condition of [the] first part of the framework is satisfied, whether the petitioner has demonstrated that the Office erred in a manner material to the patentability of challenged claims.” Advanced Bionics at 8. Only if the same or substantially the same art or arguments were previously presented to the Office do we then consider whether petitioner has demonstrated a material error by the Office. Id. at 10. “At bottom, this framework reflects a commitment to defer to previous Office evaluations of the evidence of record unless material error is shown.” Id. at 9.” slip op. at 10

    • Obviousness (§103) › Motivation to combine / reasonable expectation of successNot reached

      “II. ANALYSIS 35 U.S.C. § 325(d) Petitioner relies upon Chu ’330 in both of the asserted grounds.” slip op. at 8

    • Disclosure Requirements (§112) › Written description (Ariad)Decided for patent owner

      “As such, we find that Petitioner has failed to show (1) the ’768 patent is not entitled to a priority date before April 15, 2011, (2) the ’436 patent’s parent applications in the’768 patent family did not properly incorporate by reference the ’886 provisional, and (3) the amendments adding the subject matter from the ’886 provisional improperly introduced new matter. Pet. 18−30.” slip op. at 23

    § 102 anticipation§ 103 obviousness§ 112 disclosureDiscretionary denial
    Patents in suitUS 9,529,768
  • PTAB · Nov 8, 2021 · IPR2021-00661 · APJ Steven M Amundson · IPR · Institution

    The Board denied institution of review for claims 1 and 2 under § 314(a), finding the Fintiv factors weighed against review because of the advanced, overlapping ITC investigation.

    RulingsInstitution decision
    • PTAB / AIA Trials › Discretionary denial › Fintiv (parallel litigation)Institution denied fintivDenied

      “The Fintiv factors “relate to whether efficiency, fairness, and the merits support the exercise of authority to deny institution in view of an earlier trial date in the parallel proceeding.” Fintiv, IPR2020-00019, Paper 11 at 6. A stay of parallel litigation pending resolution of a Board proceeding “allays concerns about inefficiency and duplication of efforts.” Id. That the E.D.N.Y. case was stayed “at its earliest stage,” however, does not “allay[] concerns about inefficiency and duplication of efforts” in view of the 1220 investigation. Additionally, the E.D.N.Y. case was stayed “pending completion” of the 1220 investigation, not because of any Board proceeding. Ex. 3002, 1. With dates set in the 1220 investigation for the ALJ’s initial determination and the ITC’s final determination, a stay seems highly unlikely, especially with the initial determination date about a week away. Hence, factor (1) weighs against institution. See Fitbit, Inc. v. Koninklijke Philips N.V., IPR2020-00771, Paper 14 at 16–17 (PTAB Oct. 19, 2020).” slip op. at 18

    • PTAB / AIA Trials › Institution threshold (reasonable likelihood / more likely than not)Institution denied

      “to institute an inter partes review. We may institute an inter partes review only if “the information presented in the petition filed under section 311 and any response filed under section 313 shows that there is a reasonable likelihood that the petitioner would prevail with respect to at least 1 of the claims challenged in the petition.” 35 U.S.C. § 314(a) (2018). But we have discretion to deny a petition even when a petitioner satisfies the “reasonable likelihood” threshold standard for instituting trial. See, e.g., Cuozzo Speed Techs., LLC v. Lee, 136 S. Ct. 2131, 2140 (2016) (“[T]he agency’s decision to deny a petition is a matter committed to the Patent Office’s discretion.”). Based on the current record and for the reasons explained below, we exercise our discretion under 35 U.S.C. § 314(a) to deny institution of an inter partes review.” slip op. at 2

    • Disclosure Requirements (§112) › Written description (Ariad)Not reached

      “essentially the same argument about the ’557 patent’s effective filing date for its challenge based on Nakamura-959 and Nakamura-949 as for its invalidity defense based on insufficient written-description support for claim 1. See Pet. 7, 12–21, 37; Ex. 2004, 29–33; Ex. 2005, 245–48; Ex. 2014, 64–65, 70. As we understand the arguments, resolving the ’557 patent’s effective filing date does not require interpreting any part of § 1.57. See Pet. 12–21; Prelim. Resp. 29–31. Instead, the issue turns on whether the ’154 application supports claim 1 according to § 112’s first paragraph. See Pet. 12–21; Prelim. Resp. 29–31. Also, the challenges based on Tanda present a similar issue whether the ’447 provisional supports claim 1 according to § 112’s first paragraph. See Pet. 12–21, 61; Prelim. Resp. 29–31, 36–37. “[T]he test for sufficiency is whether the disclosure of the application relied upon reasonably conveys to those skilled in the art that the inventor had possession of the claimed subject matter as of the filing date.” Ariad Pharm., Inc. v. Eli Lilly & Co., 598 F.3d 1336, 1351 (Fed. Cir. 2010) (en banc). Under the circumstances here, the ITC can apply the test for sufficiency of disclosure to the ’154 application and the ’447 provisional just as well as the Board.” slip op. at 27

    § 112 disclosureDiscretionary denial
    Patents in suitUS 10,658,557
  • PTAB · Sep 9, 2021 · PGR2020-00037 · APJ Julia Heaney · PGR · Final written decision

    Claims 1–10, 14–28, 32–38, 51, 52, 55–57, 59, 64–72, and 76–82 were not shown unpatentable for indefiniteness or obviousness over Hiltzik, Clontz WIPO, and Clontz SAE.

    RulingsFinal written decision
    • Skill levelSkill level petitioner adoptedOther

      “art include “(1) educational level of the inventor; (2) type of problems encountered in the art; (3) prior art solutions to those problems; (4) rapidity with which innovations are made; (5) sophistication of the technology; and (6) educational level of workers active in the field.” Envtl. Designs, Ltd. v. Union Oil Co., 713 F.2d 693, 696–697 (Fed. Cir. 1983) (citing Orthopedic Equip. Co. v. All Orthopedic Appliances, Inc., 707 F.2d 1376, 1381–82 (Fed. Cir. 1983)). Not all such factors may be present in every case, and one or more of these or other factors may predominate in a particular case. Id. Petitioner argues a person of ordinary skill in the art at the time of the invention “would possess at least a B.S. in chemistry or chemical or mechanical engineering and would have at least one year of experience working on control of automotive evaporative emissions,” and “would also understand the chemistry and physics associated with the phenomena of fuel vapor adsorption, desorption, and diffusion.” Pet. 28 (citing Ex. 1003 ¶ 17). Patent Owner does not dispute the level of ordinary skill in the art. We adopt Petitioner’s definition of the level of ordinary skill in the art because it is consistent with the ’553 patent and the asserted prior art.” slip op. at 11

    • Expert testimonyPatent owner expert creditedDecided for patent owner

      “Patent Owner and Dr. Rockstraw present peer-reviewed scientific literature demonstrating that gravimetric and volumetric measurement techniques were known to measure equivalent adsorption capacities and were viewed as compatible with each other. See Ex. 2022 ¶¶ 95–107 (addressing Anson7 (Ex. 2007), Belmabkhout8 (Ex. 1021), Zielinski9 (Ex. 2069)). For example, Belmabkhout reported similar results between measurements by gravimetric and volumetric instruments, except at very high pressures. Ex. 1021, 856–57. Zielinski reported “excellent agreement” between volumetric and gravimetric adsorption capacity measurements (Ex. 2069, 5–6); Dr. Zielinski (who oversaw the testing reported by Intertek 7 Anson, A., et al., “Hydrogen adsorption on a single-walled carbon nanotube material: a comparative study of three different adsorption techniques,” Nanotechnology 15 (2004), 1503. 8 Belmabkhout, Y., et al., “High-pressure adsorption measurements. A comparative study of the volumetric and gravimetric methods,” Measurement Science and Technology 15 (2004) 848. 9 Zielinski, J. et al., “High pressure sorption isotherms via differential pressure measurements,” Adsorption 13 (2007), 1–7. in Ex. 1020) also testified that he would expect capacity measurements for either a gravimetric or volumetric technique to yield the same results, or be “superimposable” under ideal conditions, because they represent “the same experimental measured quantities.” Ex. 2026, 52:11–53:7, 54:13–22, 69:12– 70:3, 139:8–19. Petitioner’s argument that these papers are not relevant because they do not address measurements on the adsorption capacity of n-butane (see Pet. Reply 26) is not persuasive, because Petitioner does not direct us to sufficient evidence showing a reason why measurements of n-butane’s adsorption capacity would have been subject to different measurement inconsistencies. Further, Petitioner’s argument about a 3% deviation in results between the measurement techniques reported in Anson and Belmabkhout is not persuasive because the papers’ conclusions suggest a person of ordinary skill in the art would not have seen such a deviation as significant (e.g., Ex. 1021, 849: “we have not observed important discrepancies” between gravimetric and volumetric measurements). Dr. Rockstraw also testifies as to numerous additional texts and standards that confirm persons of ordinary skill in the art understood that gravimetric and volumetric measurement techniques would provide consistent results when proper experimental protocols are followed and the instruments’ accuracy and precision are taken into consideration. See Ex. 2022 ¶¶ 88–91, 119–127. This evidence is essentially unrebutted by Petitioner. We find that the evidence submitted by Patent Owner as to the gravimetric and volumetric measurement techniques demonstrates that they were well established in the art as comparable methods of measuring adsorption capacity, and accordingly, not a basis for determining claim” slip op. at 16

    • ExcludeMotion to exclude, grantedGranted in part

      “Exhibit 2027. Paper 57 (“Pet. Mot.”). We do not discuss or cite Exhibit 2080 or paragraph 39 of Exhibit 2027 in this Decision, and consideration of them played no part in our determinations set forth herein. Because their presence in the record would not affect our analysis in this Decision, we dismiss as moot Petitioner’s motion with respect to these exhibits. B. Patent Owner’s Motion to Exclude Patent Owner filed a motion to exclude Exhibits 1015–1016, 1023– 1025, 1032, 1038–1039, 1042 (certain paragraphs), 1044, 1046–1049, and 1052–1054. Paper 56 (“PO Mot.”). Patent Owner groups these exhibits into four categories, which we apply in discussing the motion below. 1. Patent Owner moves to exclude Exhibits 1015 and 1046 as “irrelevant determinations from other adjudicative bodies regarding different patents.” PO Mot. 1. We do not discuss or cite these exhibits in this Decision, and have not considered them in reaching our decision herein. Because the presence of these exhibits in the record would not affect our analysis in this Decision, we dismiss as moot Patent Owner’s motion with respect to these exhibits. 2. Patent Owner moves to exclude Exhibits 1023, 1024, 1025,” slip op. at 46

    • Disclosure Requirements (§112) › Definiteness (Nautilus)Written description adequateNot shown unpatentable

      “Petitioner has not shown by a preponderance of the evidence that the gravimetric and volumetric methods provide fundamentally different measurements of adsorption capacity. Patent Owner and Dr. Rockstraw present peer-reviewed scientific literature demonstrating that gravimetric and volumetric measurement techniques were known to measure equivalent adsorption capacities and were viewed as compatible with each other. See Ex. 2022 ¶¶ 95–107 (addressing Anson7 (Ex. 2007), Belmabkhout8 (Ex. 1021), Zielinski9 (Ex. 2069)). For example, Belmabkhout reported similar results between measurements by gravimetric and volumetric instruments, except at very high pressures. Ex. 1021, 856–57. Zielinski reported “excellent agreement” between volumetric and gravimetric adsorption capacity measurements (Ex. 2069, 5–6); Dr. Zielinski (who oversaw the testing reported by Intertek 7 Anson, A., et al., “Hydrogen adsorption on a single-walled carbon nanotube material: a comparative study of three different adsorption techniques,” Nanotechnology 15 (2004), 1503. 8 Belmabkhout, Y., et al., “High-pressure adsorption measurements. A comparative study of the volumetric and gravimetric methods,” Measurement Science and Technology 15 (2004) 848. 9 Zielinski, J. et al., “High pressure sorption isotherms via differential pressure measurements,” Adsorption 13 (2007), 1–7. in Ex. 1020) also testified that he would expect capacity measurements for either a gravimetric or volumetric technique to yield the same results, or be “superimposable” under ideal conditions, because they represent “the same experimental measured quantities.” Ex. 2026, 52:11–53:7, 54:13–22, 69:12– 70:3, 139:8–19. Petitioner’s argument that these papers are not relevant because they do not address measurements on the adsorption capacity of n-butane (see Pet. Reply 26) is not persuasive, because Petitioner does not direct us to sufficient evidence showing a reason why measurements of n-butane’s adsorption capacity would have been subject to different measurement inconsistencies. Further, Petitioner’s argument about a 3% deviation in results between the measurement techniques reported in Anson and Belmabkhout is not persuasive because the papers’ conclusions suggest a person of ordinary skill in the art would not have seen such a deviation as significant (e.g., Ex. 1021, 849: “we have not observed important discrepancies” between gravimetric and volumetric measurements). Dr. Rockstraw also testifies as to numerous additional texts and” slip op. at 16

    Patent outcomesUS 10,323,553 not shown unpatentable
    § 103 obviousness§ 112 disclosurecites KSR · Graham · Nautilus
    Patents in suitUS 10,323,553
  • PTAB · Mar 31, 2021 · IPR2020-00001 · APJ Jeffrey W Abraham · IPR · Final written decision

    The Board canceled claims 1, 5, 8, and 10–12, but denied entry of substitute claims 20–25 because claims 20 and 24 were indefinite and claims 21–23 and 25 were obvious.

    RulingsFinal written decision
    • Skill levelSkill level board ownDecided for patent owner

      “LEVEL OF ORDINARY SKILL IN THE ART In the Institution Decision, we determined that “a person of ordinary skill in the art would have had sufficient experience and/or education in the food industry to possess an understanding of (1) sugar particle size as it pertains to brewed beverages and (2) sugar particle size screening.” Inst. Dec. 7. We observed that this level of ordinary skill is consistent with the level of ordinary skill that we adopted in a related case that involves similar subject matter. See Red Diamond, Inc. v. Southern Visions, LLP, PGR2019- 00045, Paper 9 at 6–8 (PTAB Oct. 15, 2019). We also asked the parties to expressly discuss the level of ordinary skill in the art in the remaining briefing if either party disagreed with our determination. Inst. Dec. 7–8. For purposes of this Final Written Decision, we maintain our determination from the Institution Decision because neither party disputes the level of ordinary skill identified in the Institution Decision (see Revised MTA 7–8), and because we continue to find that the stated level of ordinary skill is consistent with the record.” slip op. at 5

    • PTAB / AIA Trials › Motions to amend / substitute claimsMotion to amend granted in partGranted in part

      “consider” the Revised Motion to Amend and cancel original claims 1, 5, 8, and 10–12. Revised MTA 1. Because Patent Owner has not indicated that our consideration of the Revised Motion to Amend is contingent on a determination that original challenged claims 1, 5, 8, and 10–12 are unpatentable, we grant Patent Owner’s request to cancel original challenged claims 1, 5, 8, and 10–12. See Lectrosonics, Inc. v. Zaxcom, Inc., IPR2018- 01129, Paper 15 at 3 (PTAB Feb. 25, 2019) (precedential) (“Lectrosonics”) (“A request to cancel claims will not be regarded as contingent.”). The remaining issue before us is whether to grant the Revised Motion to Amend as to proposed substitute claims 20–25.” slip op. at 6

    • Disclosure Requirements (§112) › Definiteness (Nautilus)IndefiniteUnpatentable

      “sugar, which indicates that between 2–25% of the particles in EFG sugar can have a size in the range of U.S mesh sieve nos. 20–30. Ex. 2003, 42 (showing the “Typical Analysis” for “X-fine” granulated sugar). Even if we were to agree with Patent Owner that this shows a typical analysis for EFG sugar, it still presents a variance of up to 20% for particles having a size in the range of U.S. mesh sieve nos. 20 and 30. Ex. 2003, 42. Thus, the evidence of record suggests that the particle size distribution for EFG sugar, including the number of particles falling in the range of U.S. mesh sieve nos. 3–35, can vary among different EFG sugars. Thus, the term “typical grocery store sugar,” “might mean several different things” in terms of the number of its particles having a size in the range of U.S. mesh sieve nos. 3–35, and “no informed and confident choice is available among the contending definitions.” HZNP Meds. LLC v. Actavis Labs UT, 940 F.3d 680, 698 (Fed. Cir. 2019) (quoting Media Rights Techs., Inc. v. Capital One Fin. Corp., 800 F.3d 1366, 1371 (Fed. Cir. 2015)); Opp. 9; Reply 4.” slip op. at 15

    • Obviousness (§103) › Motivation to combine / reasonable expectation of successMotivation foundReasonable expectation foundUnpatentable

      “sugar in its products (Ex. 1008, 11:2–5), and Mr. Ebersole’s testimony demonstrates that a person of ordinary skill in the art would have known that Standard Grade and Medium Grade sugars are commercial grade granulated sugars and that the particles in Standard Granulated and Medium Granulated sugars “are almost entirely within the range of U.S. mesh nos. 3–35” (Ex. 2076 ¶ 51). The evidence of record thus supports Petitioner’s assertion that following the typical industry practice of using 1 ounce of tea particles and 1 pound of sugar per gallon of tea, and using a commercial grade granulated sugar (as taught by Cooper) such as Standard Granulated or Medium Granulated sugar (which are known to be “almost entirely within the range of U.S. mesh nos. 3–35”), would yield a product having a blend ratio of tea particles to sugar granules having a size in the range of U.S. mesh sieve nos. 3–35 in the range of 1:16–1:25, as recited in proposed substitute claims 21 and 23. Opp. 20–21; Ex. 1008, 11:2–5; Ex. 1001, 17–20, 57–65. In view of the foregoing, we find Petitioner has established sufficiently that the teachings of Cooper, considered in view of admitted prior art sweetening practices, teaches or suggests all of the limitations of proposed substitute claims 21 and 23. Petitioner has presented evidence demonstrating sufficiently that Cooper teaches the use of sugar having particle sizes falling “almost entirely” within the range of mesh 3–35, that following typical industry practices using such sugar would result in the claimed blend ratio of tea to sugar having a size in the range of mesh 3–35, and that a person of ordinary skill in the art would have had reason to brew commercial-sized batches of tea, with a reasonable expectation of success in doing so, as Cooper allows.” slip op. at 26

    § 103 obviousness§ 112 disclosurecites KSR · Nautilus
    Patents in suitUS 9,549,634
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