• Embody, Inc. / Zimmer Biomet Holdings, Inc. v. Lifenet HealthSome claims unpatentable
  PTAB · Aug 4, 2026 · IPR2025-00249 · APJ Michael J Fitzpatrick · IPR · Final written decision

  Claims 1 and 4–8 are unpatentable: claims 1 and 4–6 as obvious over Huang2 and Kuo, and claims 7–8 as anticipated by Huang2; claims 2–3 were not shown unpatentable.

  RulingsFinal written decision

  • Skill levelSkill level petitioner adoptedDecided for patent owner

    “(“POSITA”) “would be a Ph.D. student with a minimum of two years of experience in their faculty advisor’s laboratory” and would have an understanding of “electrospinning fibers, including for tissue engineering, tissue engineering techniques, and using/performing FFT analysis.” Pet. 20– 21 (citing Ex. 1003 § II.C7). Patent Owner does not dispute Petitioner’s proposal but specifies the set of disciplines within which the Ph.D. would have been earned, namely “bioengineering, chemical engineering, mechanical engineering, or a related engineering discipline.” PO Resp. 6. We adopt and apply Petitioner’s proposal as clarified by Patent Owner regarding the Ph.D. discipline.” slip op. at 7

  • Claim Construction › Intrinsic evidence (Phillips canons) › Lexicography (patentee as own lexicographer)Term construed board ownDecided for patent owner

    “At the outset, we agree with Patent Owner that the Specification purports to define “major peaks” in the following sentence: “The ‘major peaks’ herein refer to peaks higher than the average of the peaks in the result.” Ex. 1001, 13:28–29. We determine that this language satisfies at least two of the criteria set forth in Alnylam. Specifically, the sentence at “refers to” to explain what qualifies as major peaks. That is not the end of the inquiry, however, as we find there is still some ambiguity as to whether the patentee intended to define “major peaks” so as to require so-called “minor peaks” in the claimed invention. See Bell Atlantic, 262 F.3d at 1268 (“[T]he intrinsic evidence must ‘clearly set forth’ or ‘clearly redefine’ a claim term so as to put one reasonably skilled in the art on notice that the patentee intended to so redefine the claim term.”). Importantly, the Specification does not treat the existence of minor peaks as prerequisites for the existence of major peaks. Indeed, the Specification does not discuss “minor peaks” at all. See generally Ex. 1001. Likewise, none of the claims of the ’227 patent, whether challenged or unchallenged, recites “minor peaks” or any additional peaks beyond the disputed “major peaks.” Id. at 23:30–24:42. Nor does the Specification include an example of FFT analysis results in which the average of the peaks therein is calculated and those higher than the average are identified as major peaks.8” slip op. at 9

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

    “Petitioner has the better position. Huang2 teaches crosslinking and provides a reason for doing so (stability). In particular, Huang2 states: “To better mimic skin ECM, electrospun collagen fibers have been fabricated, however, the rapid degradation and poor mechanical properties determine that either crosslinking or combination with other materials is necessary to obtain a stable scaffold.” Ex. 1005, 1791 (emphasis added). It is true that, in describing work actually carried out, Huang2 states that blending with PCL was performed and does not mention crosslinking. See id. at 1792 (“Nanofibrous matrices of PCL and Collagen at a weight ratio of 3:1 were fabricated using electrospinning as previously described.”). However, the prior art – here, Huang2 – is not limited to that which it describes having created. See In re Mills, 470 F.2d 649, 651 (C.C.P.A. 1972) (“a reference is not limited to the disclosure of specific working examples”); see also In re Lemelson, 397 F.2d 1006, 1009 (CCPA 1968) (“The use of patents as references is not limited to what the patentees describe as their own inventions or to the problems with which they are concerned. They are part of the literature of the art, relevant for all they contain.”); In re Fritch, 972 F.2d 1260, 1264 (Fed. Cir. 1992) (“It is well settled that a prior art reference is relevant for all that it teaches to those of ordinary skill in the art.”). Huang2 teaches two stabilization methods when using collagen in scaffolds. Huang2 states that one or the other “is necessary to obtain a stable scaffold” (when using collagen), but it does not preclude or teach away from using Patent Owner-cited testimony of Dr. Mikos is not as definitive as Patent Owner suggests; Dr. Mikos’s testimony is that a person of ordinary skill in the art “typically would not have done both.” Ex. 2015 ¶64 (emphasis added). The bottom line is that Huang2 teaches the person of ordinary skill in the art two ways to stabilize scaffolds/matrices comprised of collagen, provides a reason for doing so (stability), and does not teach away from using both. We are persuaded that a “scaffold comprising crosslinked fibers comprising collagen” would have been obvious in view of the cited teachings of Huang2.” slip op. at 33

  • Obviousness (§103) › Graham factors (scope of art, differences, level of skill)Not shown unpatentableNot shown unpatentable

    “We are not persuaded by Appellant’s citations to either reference. As discussed above, Petitioner’s Ground 1 is premised on a person of ordinary skill in the art altering the native flat sheet structure of Huang2 by rolling it into a jelly-roll structure as taught by Kuo. See Pet. 41 (Beginning its claim 2 arguments with the following: “Claim 1 is obvious for the reasons expressed above in § X.A., supra, which are incorporated herein.”); see also Pet. Reply 17 (“[B]ased on the explicit teaching of Kuo, a POSA would have been motivated to take the electrospun flat scaffold made by the techniques of Huang2, seed it with the desired cells, and roll it to treat a tendon and ligament.” (emphasis added)). Indeed, the paragraphs of Kuo that Petitioner cites for disclosing “scaffold sheets,” explicitly describe rolling them into jelly-roll like structures. See Ex. 1018 ¶7 (stating that “the sheet is spirally contacting a scaffold sheet of fibrous material with a cell; and rolling the scaffold sheet in a jelly-roll like manner to form a spirally wound tissue construct”), ¶22 (describing a method comprising “forming a tissue construct by contacting a scaffold sheet of fibrous material with a cell; and rolling the scaffold sheet in a jelly-roll like manner to form a spirally wound tissue construct” and implanting it in a patient). Petitioner fails to argue that that “one or more elongated sheets” recited in claim 2 would encompass the rolled structure of its proposed modification. Nor does Petitioner articulate a claim construction argument that could support such an argument. Petitioner has failed to prove, by a preponderance of the evidence, that claim 2 would have been obvious over Huang2 and Kuo.” slip op. at 42

  Patent outcomesUS 11,318,227 mixed
  Claim construction§ 102 anticipation§ 103 obviousnesscites Phillips · Markman · KSR
  Patents in suitUS 11,318,227
• Embody, Inc. / Zimmer Biomet Holdings, Inc. v. Lifenet HealthAll claims unpatentable
  PTAB · Aug 4, 2026 · IPR2025-00248 · APJ Michael J Fitzpatrick · IPR · Final written decision

  Claims 1–3 and 5–12 are unpatentable as anticipated by Huang2; claim 4 is unpatentable as obvious over Huang2 and Kumbar. Lee grounds failed.

  RulingsFinal written decision

  • Skill levelSkill level petitioner adoptedDecided for petitioner

    “understanding of “electrospinning fibers, including for tissue engineering, tissue engineering techniques, and using/performing FFT analysis.” Pet. 18– 19 (citing Ex. 1003 § II.C5). Patent Owner does not dispute Petitioner’s proposal but specifies the set of disciplines within which the Ph.D. would have been earned, namely “bioengineering, chemical engineering, mechanical engineering, or a related engineering discipline.” PO Resp. 5–6. We adopt and apply Petitioner’s proposal as clarified by Patent Owner regarding the Ph.D. discipline.” slip op. at 7

  • Claim Construction › Intrinsic evidence (Phillips canons) › Lexicography (patentee as own lexicographer)Term construed board ownDecided for patent owner

    “A patentee “may choose to be his own lexicographer and use terms in a manner other than their ordinary meaning, as long as the special definition of the term is clearly stated in the patent specification or file history.” Vitronics Corp. v. Conceptronic, Inc., 90 F.3d 1576, 1582 (Fed. Cir. 1996) (citing Hoechst Celanese Corp. v. BP Chemicals Ltd., 78 F.3d 1575, 1578 (Fed. Cir. 1996)); see Markman v. Westview Instruments, Inc., 52 F.3d 967, 980 (Fed. Cir. 1995) (en banc) (“[A]ny special definition given to a word must be clearly defined in the specification.”), aff'd, 517 U.S. 370 (1996); CCS Fitness, Inc. v. Brunswick Corp., 288 F.3d 1359, 1366 (Fed. Cir. 2002). “[T]he intrinsic evidence must ‘clearly set forth’ or ‘clearly redefine’ a claim term so as to put one reasonably skilled in the art on notice that the patentee intended to so redefine the claim term.” Bell Atlantic Network Services, Inc. v. Covad Communications Group, Inc., 262 F.3d 1258, 1268 (Fed. Cir. 2001). Among the criteria to consider in whether the patentee acted as a lexicographer to define a claim term include (a) whether the patent specification included the statement in question under a section for marks, (c) whether the sentence uses the term “refer to,” which generally “conveys an intent for [that sentence] to be definitional,” and (d) whether there are other non-limiting terms (e.g., “for example,” or “include”) that contradict a definitional intent. Alnylam Pharms., Inc. v. Moderna, Inc., 138 F.4th 1326, 1333 (Fed. Cir. 2025) (alteration in original). At the outset, we agree with Patent Owner that the Specification purports to define “major peaks” in the following sentence: “The ‘major peaks’ herein refer to peaks higher than the average of the peaks in the result.” Ex. 1001, 13:6–7. We determine that this language satisfies at least two of the criteria set forth in Alnylam. Specifically, the sentence at issue sets out “major peaks” in quotation marks, and then uses the term “refers to” to explain what qualifies as major peaks. That is not the end of the inquiry, however, as we find there is still some ambiguity as to whether the patentee intended to define “major peaks” so as to require so-called “minor peaks” in the claimed invention. See Bell Atlantic, 262 F.3d at 1268 (“[T]he intrinsic evidence must ‘clearly set forth’ or ‘clearly redefine’ a claim term so as to put one reasonably skilled in the art on notice that the patentee intended to so redefine the claim term.”).” slip op. at 8

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

    “As discussed above, we agree with Patent Owner that the sentence it cites from the Specification of the ’223 patent bears sufficient hallmarks of lexicography. However, the Specification nonetheless lacks any indication that so-called “minor peaks” are a necessary component of the claimed invention. “Although it is firmly settled that an applicant may act as a 9 Figure 8B does not contain “major peaks” despite clearly depicting two “peaks higher than the average of the [three or possibly four] peaks in the result” because none of the peaks is a reflection of fiber alignment. 10 After presenting claim construction arguments based on Ayres 2008, Patent Owner confusingly states: “Finally, whether Ayres-2008 supports [Patent Owner’s] construction is irrelevant.” PO Sur-Reply 5 (emphasis added). definition that is contrary to the ordinary meaning of a claim term unless it communicates a deliberate and clear preference for this alternative definition.” Kumar v. Ovonic Battery Co., 351 F.3d 1364, 1368 (Fed. Cir. 2003). There is no indication that the patentee sought to require “minor peaks” within the scope of the claimed invention. Nor are we persuaded that a person of ordinary skill in the art would readily understand the scope of the term “major peaks” to require non-major peaks. We interpret the Specification’s statement that “‘major peaks’ herein refer to peaks higher than the average of the peaks in the result” (Ex. 1001, 13:6–7) to be teaching a person of ordinary skill in the art how to identify or discern “major peaks,” which indicate a principal axis of alignment, from any non-major peaks, which would be caused by something else. We conclude that a person of ordinary skill in the art would consider “major peaks” as used in the ’223 patent as referring to peaks that reflect the sole axis or primary axis of fiber alignment. See, e.g., id. at code (54) (“ALIGNED FIBER AND METHOD OF USE THEREOF”), code (57) (“A scaffold comprising an aligned fiber.”), 1:6–7 (“The invention relates to an aligned fiber and method of use thereof.”), 1:11–12 (“The invention relates to a scaffold comprising an aligned fiber.”), 13:16–17 (“Alignment of the fibers in the scaffold may be measured by a fast Fourier transform (FFT) analysis.”). This would certainly include peaks materially higher than the average of the peaks in the result, but it would not be limited to situations involving peaks of different heights or require so-called minor peaks. Based on the totality of the evidence before us, we do not construe the claims to require non-major peaks.” slip op. at 16

  • Novelty / Anticipation (§102) › Anticipation standard (single reference, every element)UnpatentableNot shown unpatentableMixed

    “Petitioner argues that, for the aligned sample, a major peak occurs at about 90° as identified by Petitioner’s annotation (red arrow). Pet. 30–31. As support, Petitioner directs us to Huang2’s explicit description of what the peak indicates, namely that “[t]he narrow peak of the normalized intensity values in anisotropic [aligned] matrices (Figure 1C) indicated that PCL/Coll nanofibers aligned along a single axis (Fig. 1B).” Id. at 31 (alterations in original) (quoting Ex. 1005, 1794). Patent Owner disputes that the illustrated peak is a major peak solely based on the lack of any lesser peaks. See PO Resp. 13 (“[T]he height of the sole peak is identical to—not higher than—the average height of the peaks in the result.”). As discussed above, however, we do not construe “major peaks” as requiring the existence of non-major peaks. We find that the illustrated peak in the Aniso plot of the FFT analysis results (Figure 1C) is a major peak within the meaning of the claim. The evidence in support of this finding is overwhelming. First, the term “Aniso” as used in Huang2 refers to fibers “with alignment.” Ex. 1005, 1792. Huang2 describes fabricating such matrices of aligned fibers with electrospinning, the same method used to impart alignment in the ’223 patent. Id. at 1791–92. Huang2 visually confirms that the fibers in fact are aligned via scanning electron microscopy. Id. at Fig. 1B. Further, Huang2 explicitly states that the peak illustrated in the Aniso plot of the FFT analysis results (Figure 1C) is caused by the fact that the “PCL/Coll nanofibers aligned along a single axis (Fig. 1B).” Id. at 1794. This is precisely what electrospinning may yield aligned fibers and images of aligned fibers will yield FFT results with major peaks. Ex. 1001, 2:18–19, 4:46–60, 13:16–26. Additionally, Huang2 itself considers the peak illustrated in the Aniso plot of the FFT analysis to be significant, stating: “In contrast [to the Aniso plot], the lack of a significant peak for the fibers collected on a stationary surface [(i.e., without electrospinning)] demonstrated no preferred fiber orientation in the isotropic matrices” (i.e., the Iso plot). Ex. 1005, 1794. Indeed, the asserted major peak in the Aniso plot shown in Huang2’s Figure 1C is higher than any other data point on the plot. For these reasons, we find the peak to be a major peak.15 Petitioner acknowledges that Figure 1C only reports its results” slip op. at 32

  Patent outcomesUS 10,137,223 unpatentable
  Claim construction§ 102 anticipation§ 103 obviousnesscites Phillips · Markman
  Patents in suitUS 10,137,223
• Red Diamond, Inc. v. Southern Visions, LLPOther
  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
• Red Diamond, Inc. v. Southern Visions, LLPAll claims unpatentable
  PTAB · Mar 31, 2021 · IPR2019-01671 · APJ Jeffrey W Abraham · IPR · Final written decision

  The Board canceled claims 1, 6, and 10–12 and denied entry of substitute claims 18–22, finding claims 18–21 indefinite and claim 22 obvious.

  RulingsFinal written decision

  • Skill levelSkill level board ownDecided for petitioner

    “C. 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, (2) sugar particle size screening, and (3) the storage and use of sugar in commercial settings.” Inst. Dec. 6–7. 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. 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 11–12), 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

    “II. MOTION TO AMEND A. ORIGINAL CHALLENGED CLAIMS As noted above, Patent Owner requests that we “unconditionally consider” the Revised Motion to Amend and cancel original claims 1, 6, 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, 6, and 10–12 are unpatentable, we grant Patent Owner’s request to cancel original challenged claims 1, 6, 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 18–22.” slip op. at 6

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

    “Particle size is a critical factor for proposed substitute claims 18 and 20, which require a comparison of the particle size of the sugar used in the recited mesh pouch against the particle size of Sugar in the Raw. For all of the reasons discussed above, we find a person of ordinary skill in the art would not have understood that the trademark Sugar in the Raw identifies sugar having particles of a particular size with sufficient specificity to allow the comparison of particle sizes that proposed substitute claims 18 and 20 require. Accordingly, proposed substitute claims 18 and 20 are indefinite because they “fail[ ] to inform, with reasonable certainty, those skilled in the art about the scope of the invention.” Nautilus, Inc. v. Biosig Instruments, Inc., 572 U.S. 898, 901 (2014); see USPTO Memorandum on the Approach to Indefiniteness Under 35 U.S.C. § 112 in AIA Post-Grant Proceedings (Jan. 6, 2021)6; MPEP 2173.05(e) (9th ed., Rev. 08.2017, June 2020).” slip op. at 18

  • Obviousness (§103) › Analogous artAnalogous artDecided for petitioner

    “analogous art. Reply 7. “A reference qualifies as prior art for an obviousness determination under § 103 only when it is analogous to the claimed invention.” In re Klein, 647 F.3d 1343, 1348 (Fed. Cir. 2011). “Two separate tests define the scope of analogous prior art: (1) whether the art is from the same field of endeavor, regardless of the problem addressed and, (2) if the reference is not within the field of the inventor’s endeavor, whether the reference still is reasonably pertinent to the particular problem with which the inventor is involved.” In re Bigio, 381 F.3d 1320, 1325 (Fed. Cir. 2004). Even if we were to agree with Patent Owner that Thijssen is not from the same field of endeavor because, inter alia, it involves the use of a packed bed, we still find Thijssen to be analogous art because it is reasonably pertinent to the problem with which the inventors were involved. The ’330 patent teaches that “[t]he larger sugar granules allow the water to flow around it at the same time you are extracting tea from the tea blend.” Ex. 1001, 7:15–17. This indicates that among the problems “with which the inventor[s were] involved” were extraction of flavor from tea and the flow of water around the particles involved in the tea brewing process. Thijssen likewise addresses the flow of solvent through solid particles during extraction of a beverage product. See, e.g., Ex. 1022, 2:46–48. In view of this, we find Thijssen is “reasonably pertinent to the particular problem with which the inventor[s were] involved.” Bigio, 381 F. 3d at 1325.” slip op. at 33

  Patent outcomesUS 9,468,330 unpatentable
  § 103 obviousness§ 112 disclosurecites Nautilus
  Patents in suitUS 9,468,330
• Red Diamond, Inc. v. Southern Visions, LLPOther
  PTAB · Mar 31, 2021 · IPR2019-01662 · APJ Jeffrey W Abraham · IPR · Final written decision

  The Board canceled claims 1, 8, 13, and 17; it denied entry of substitute claims 23–26 because claims 23 and 25 lacked written-description support and claims 24 and 26 were indefinite.

  RulingsFinal written decision

  • Skill levelSkill level board ownOther

    “C. 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 1 “One degree Brix is one gram of sucrose in 100 grams of solution . . . . Brewed sweetened tea has a typical Brix level of 10½ to 11.” Ex. 1001, 1:35–43. pertains to brewed beverages, (2) sugar particle size screening, and (3) the storage and use of sugar in commercial settings.” 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. 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 12–13), and because we continue to find that the stated level of ordinary skill is consistent with the record.” slip op. at 4

  • 112 supportMotion to amend, deniedDenied

    “Structurally, Patent Owner has claimed a broad genus of brewing products – any product that includes sugar having particles in the range of U.S. mesh size nos. 3–35. Patent Owner attempts to further distinguish the genus by including the functional limitation of requiring the product to be capable of producing a tea with a Brix level of at least 10.5 degrees. Patent Owner does not dispute that there are products falling within the structural limitations that do not satisfy the functional limitations. Indeed, there is undisputed testing evidence on the record demonstrating that the entire range of recited structures does not perform the recited function. See Ex. 2076 at Exhibit C, 20–29 (Table 3); Revised MTA 8 (Patent Owner arguing the claims only cover products that include particles within the claimed range that perform the recited function). Here, we discern no evidence on this record of “a representative number of species falling within the scope of the genus or structural features common to the members of the genus so that one of skill in the art can ‘visualize or recognize’ the members of the genus.” Ariad, 598 F.3d at 1350. Nor do we discern “a precise definition, such as by structure, formula, chemical name, physical properties, or other properties, of species falling within the genus sufficient to distinguish the genus from other materials” in the disclosures, or evidence that “the art has established a correlation between structure and function.” Id. Instead, we view Patent Owner’s proposed substitute claims to involve “merely drawing a fence around the outer limits of a purported genus,” which “is not an adequate substitute for describing a variety of materials constituting the genus and showing that one has invented a genus and not just a species.” Id. We recognize that the subject matter here is different from, and less complex than, the chemical and biochemical subject matter in Ariad. Nevertheless, the written description requirement still requires sufficient description to convey to one of skill in the relevant art that the inventors “had possession of the claimed invention” and “showing that the applicant has invented species sufficient to support a claim to the functionally-defined genus.” Id. at 1351, 1356. Thus we consider the difference in technology in determining “the level of detail required to satisfy the written description requirement,” but do not consider the difference in technology to eliminate entirely the need for some disclosure in the specification indicating possession of the claimed invention. Id. at 1351. Patent Owner has not directed us to any portion of the ’526 or ’881” slip op. at 20

  • Disclosure Requirements (§112) › Written description (Ariad)Written description inadequateNot shown unpatentable

    “Structurally, Patent Owner has claimed a broad genus of brewing products – any product that includes sugar having particles in the range of U.S. mesh size nos. 3–35. Patent Owner attempts to further distinguish the genus by including the functional limitation of requiring the product to be capable of producing a tea with a Brix level of at least 10.5 degrees. Patent Owner does not dispute that there are products falling within the structural limitations that do not satisfy the functional limitations. Indeed, there is undisputed testing evidence on the record demonstrating that the entire range of recited structures does not perform the recited function. See Ex. 2076 at Exhibit C, 20–29 (Table 3); Revised MTA 8 (Patent Owner arguing the claims only cover products that include particles within the claimed range that perform the recited function). Here, we discern no evidence on this record of “a representative number of species falling within the scope of the genus or structural features common to the members of the genus so that one of skill in the art can ‘visualize or recognize’ the members of the genus.” Ariad, 598 F.3d at 1350. Nor do we discern “a precise definition, such as by structure, formula, chemical name, physical properties, or other properties, of species falling within the genus sufficient to distinguish the genus from other materials” in the disclosures, or evidence that “the art has established a correlation between structure and function.” Id. Instead, we view Patent Owner’s proposed substitute claims to involve “merely drawing a fence around the outer limits of a purported genus,” which “is not an adequate substitute for describing a variety of materials constituting the genus and showing that one has invented a genus and not just a species.” Id. We recognize that the subject matter here is different from, and less complex than, the chemical and biochemical subject matter in Ariad. Nevertheless, the written description requirement still requires sufficient description to convey to one of skill in the relevant art that the inventors “had possession of the claimed invention” and “showing that the applicant has invented species sufficient to support a claim to the functionally-defined genus.” Id. at 1351, 1356. Thus we consider the difference in technology in determining “the level of detail required to satisfy the written description requirement,” but do not consider the difference in technology to eliminate entirely the need for some disclosure in the specification indicating possession of the claimed invention. Id. at 1351. Patent Owner has not directed us to any portion of the ’526 or ’881” slip op. at 20

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

    “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. 7–10; Reply 4. Proposed substitute claims 24 and 26 compare the dissolution of the claimed beverage brewing product against the dissolution of a product using typical grocery store sugar (i.e., EFG). Patent Owner explains that the size of the particles affects dissolution – namely that larger sugar is more advantageous – in the claimed invention. See, e.g., Revised MTA 5; Ex. 1001, 9:23–27, 10:19–22. This suggests that an EFG sugar product having a greater percentage of large particles will be capable of dissolving “more of granulated sugar” as compared to an EFG sugar product having a lower percentage of large particles. As a result, using the dissolution properties of “typical grocery store sugar” as a comparator in the claims is problematic as there is a potential for inconsistent results based on which particular EFG sugar product is used. The potential for inconsistent results undermines Patent Owner’s argument that these claims satisfy the definiteness requirement because a person of ordinary skill in the art “can buy EFG . . . and perform brew tests with it in order to determine the scope of the claims.” Reply 4. Particle size is a critical factor for proposed substitute claims 24 and 26, which require a comparison of dissolution properties of the sugar used in the recited brewing product and typical grocery store sugar. Patent Owner contends “[t]here is an ‘informed and confident’ choice for ‘typical grocery store sugar’ - EFG sugar.” Reply 4. The evidence of record, however, shows the number of large particles (3–35 mesh) varies among EFG sugars. Ex. 2003, 42; Ex. 1004, at pages 51–53. In view of this, we find a person of ordinary skill in the art would not have understood “typical grocery store sugar” identifies sugar having particles of a particular size with sufficient specificity to allow the comparisons that proposed substitute claims 24 and 26 require. Accordingly, proposed substitute claims 24 and 26 are indefinite because they “fail[ ] to inform, with reasonable certainty, those skilled in the art about the scope of the invention.” Nautilus, Inc. v. Biosig Instruments, Inc., 572 U.S. 898, 901 (2014); see USPTO Memorandum on the Approach to Indefiniteness Under 35 U.S.C. § 112 in AIA Post-Grant Proceedings (Jan. 6, 2021); MPEP 2173.05(e) (9th ed., Rev. 08.2017, June 2020).” slip op. at 25

  § 112 disclosurecites Nautilus
  Patents in suitUS 9,725,232

Holdings, summaries, rulings, issues, outcomes, winners and claim constructions shown for a decision were generated by a large language model reading the opinion. They are a guide to the decision, not the decision. Confirm every one against the court's own text before relying on it. Outcomes read from the patent owner’s side. Party names are extracted from the decision and are missing on about 900 short Director denials and scans, which carry the trial number instead.