- Metall Zug AG / Haag-Streit AG et al. v. Carl Zeiss Meditec AGSome claims unpatentablePTAB · Jun 17, 2021 · IPR2020-00300 · APJ Amber L Hagy · IPR · Final written decision
Claims 1 and 21–26 were held unpatentable as obvious over Huber, Everett, and Lexer; claims 2, 27, 40, and 42 were not shown unpatentable. Substitute claims 44 and 45 were entered.
RulingsFinal written decision- Obviousness (§103) › Graham factors (scope of art, differences, level of skill)UnpatentableNot shown unpatentableMixed
“(7) Claim 1 Conclusion After having analyzed the entirety of the trial record and assigning” slip op. at 31
- PTAB / AIA Trials › Motions to amend / substitute claimsMotion to amend, grantedGranted
“For the above reasons, Petitioner has not met its burden to” slip op. at 72
Patent outcomesUS 8,690,330 mixed§ 103 obviousnesscites Phillips · KSR · Graham · NautilusPatents in suitUS 8,690,330 - Polycom, Inc. v. Directpacket Research, Inc.Some claims unpatentablePTAB · Jan 11, 2021 · IPR2019-01234 · APJ Sheila F Mcshane · IPR · Final written decision
Claims 2–5, 15–17, 23–26, 29, and 30 are unpatentable over the stated obviousness grounds; claims 8, 9, 19, 20, 27, and 28 were not shown unpatentable.
RulingsFinal written decision- Skill levelSkill level petitioner adoptedDecided for petitioner
“In the Decision on Institution, we adopted Petitioner’s proposed skill level, that is, that one of ordinary skill in the art would have a Bachelor’s degree or equivalent in electrical engineering, computer engineering, or similar field, and at least two years of experience in a relevant field such as telecommunications or multimedia communications. Inst. Dec. 20. We also agreed with Petitioner that one of ordinary skill would have some familiarity with the design and implementation of VoIP and multimedia networks. Id. We did not agree, however, that the level of qualifications included monitoring and maintaining VoIP and multimedia networks, as Petitioner asserted, and therefore declined to adopt those requirements. Id. ordinary skill in the art adopted in the Decision on Institution to include “familiarity with the design and implementation of VoIP and multimedia networks,” but further described this requirement to include other requirements: an understanding of the techniques employed by network firewalls and the issues they present with respect to establishing and conducting multimedia communication sessions; an understanding of the performance demands placed on the network by multimedia communications, and the constraints that such demands place on processing and security measures that could be adopted; and a recognition of the distinctions between prior art firewall traversal solutions and the inventions of the ’978 Patent. PO Resp. 21–22. Patent Owner refers to GPAC, which identifies the factor of the “type of problems encountered in the art” as a consideration in determining the level of ordinary skill in the art. Id. at 22 (citing In re GPAC, 57 F.3d 1573, 1579 (Fed. Cir. 1995)). We have reviewed the relevant technology and claims of the ’978 patent, as well as the technology of the asserted prior art, and we adopt the same qualifications as those adopted in the Decision on Institution because they are commensurate with the relevant technology. These qualifications are similar to presented by Petitioner, with the” slip op. at 8
- Claim Construction › Threshold & procedure › Whether a term needs construction (O2 Micro)No construction neededOther
“Petitioner relies on the ordinary and customary meaning of the claim terms as understood by one of ordinary skill in the art. Pet. 20. Patent Owner indicates that its arguments are also based upon the ordinary and customary meaning of the terms as they would be understood by one of ordinary skill in the art. PO Resp. 22. We determine that it is not necessary to provide an express interpretation of any of the terms of the claims. See Nidec Motor Corp. v. Zhongshan Broad Ocean Motor Co., 868 F.3d 1013, 1017 (Fed. Cir. 2017); Vivid Techs., Inc. v. Am. Sci. & Eng’g, Inc., 200 F.3d 795, 803 (Fed. Cir. 1999) (“[O]nly those terms need be construed that are in controversy, and only to the extent necessary to resolve the controversy.”).” slip op. at 11
- Obviousness (§103) › Motivation to combine / reasonable expectation of successMotivation foundMotivation not foundMixed
“As discussed above, we agree with Petitioner that Kirchhoff discloses the use of SSL, a protocol that uses data encryption (Ex. 1005, 8:47–49). We also agree with Petitioner that Krtolica discloses the use of HTTP protocols on port 80 (Ex. 1004, 6:23–24), and does so with a goal of maintaining high network security (id. at 1:7–10, 2:33–36). As Kirchhoff discloses, and Dr. Lavian’s testimony supports, one of ordinary skill in the art would have been aware that port 443, rather than port 80, would be used for secure web connections using SSL, which includes the use of encryption, and this would have resulted in enhanced network security. See Ex. 1005, 3:38–41; Ex. 1002 ¶¶ 52, 69, 108. As Dr. Lavian testifies, SSL/TLS was the most widely deployed security protocol in the world and the well-known use of SSL in HTTPS protocol enables secure web-based e-commerce. Ex. 1002 ¶¶ 69, 108; Ex. 1035 ¶ 8; Ex. 1006, 5. And, Krtolica has a stated goal to maintain network security. Ex. 1004, 1:7–10, 2:33–37. We find this evidence provides a sufficient rational underpinning in support of obviousness for combining the teachings of Krtolica and Kirchhoff. See KSR, 550 U.S. at 418. Owner’s arguments that use of encryption in SSL was optional and adding encryption would allegedly undermine network security. Nor do we find persuasive the argument that the Petitioner’s motivation to combine based on efficiency is insufficient, because Petitioner relies on another rationale for the combination of Krtolica and Kirchhoff, that is, enhanced network security, also discussed above. We additionally do not find persuasive Patent Owner’s arguments that combining Krtolica and Kirchhoff would render the system of Krtolica unsatisfactory for its intended purpose because, as Petitioner argues, this assertion is contradicted by the state of the art at the time. See Pet. Reply 9. As discussed above, Dr. Lavian explains that there were known systems having firewalls with SSL traversal at the time of the invention. Ex. 1002 ¶¶ 53, 59–65; Ex. 1035 ¶ 20; Ex. 1014. Moreover, the ’978 patent uses encryption with firewalls using a single-port protocol, and Patent Owner does not direct us to any disclosure in that patent that indicates that the use of encryption with a single-port protocol was inventive in that the system, or that encryption had to be done in a special manner. See Pet. Reply 3 (citing Ex. 1001, Fig. 3 (at 311, 341), Fig. 5 (503, 508)); see also Ex. 1001, 6:4–8. In a similar vein, Patent Owner argues that due to incompatibilities the combination of SSL with Krtolica would be unsuccessful, and we address this issue below.” slip op. at 30
- Obviousness (§103) › Motivation to combine / reasonable expectation of success › Teaching awayTeaching away not foundDecided for petitioner
“Where the prior art contains “apparently conflicting” teachings (i.e., where some references teach the combination and others teach away from it) each reference must be considered “for its power to suggest solutions to an artisan of ordinary skill . . . consider[ing] the degree to which one reference might accurately discredit another.” In re Young, 927 F.2d 588, 591 (Fed. Cir. 1991). In Hosner, AES encryption appears to have one of the higher processing speeds of the algorithms tested. See Ex. 1006, 23. Further, the ’978 patent itself supports the acceptable performance of AES encryption in single-port protocol, stating that “[a]ny method or algorithm of encryption may be used” with its invention “including, but not limited to 128-bit find Patent Owner’s argument on the use of AES to be persuasive. We have reviewed Petitioner’s explanations and supporting evidence as to how the combination of Kirchhoff and Krtolica teach the limitations of claims 4, 16, and 24, and we agree with and adopt Petitioner’s analysis. Pet. 75–76, 81.” slip op. at 65
Patent outcomesUS 7,710,978 mixedClaim construction§ 103 obviousnesscites Phillips · KSR · GrahamPatents in suitUS 7,710,978 - Power Integrations, Inc. v. Semiconductor Components Industries, LLCSome claims unpatentablePTAB · May 23, 2019 · IPR2018-00180 · APJ Kamran Jivani · IPR · Final written decision
Claims 4–7, 9–16, and 18 are unpatentable over Hwang or Hwang and Balakrishnan; claim 17 was not shown unpatentable over Hwang.
RulingsFinal written decision- Skill levelSkill level patent owner adoptedDecided for patent owner
“Although the parties formulate slightly differently their respective assessments of the skill level, neither party disputes directly the other’s assessment nor makes any arguments related to the assessments. See generally Pet.; PO Resp. The ’221 patent states its disclosure “relates, in general, to integrated circuits and, more particularly, to power converter integrated circuits.” Ex. 1001, 1:9–11. In view of the foregoing, we adopt Patent Owner’s formulation of the level of ordinary skill in the art. Further, this level of ordinary skill is reflected by the prior art of record. Okajima v. Bourdeau, 261 F.3d 1350, 1355 (Fed. Cir. 2001) (the prior art itself can reflect the appropriate level of ordinary skill in the art).” slip op. at 8
- Claim Construction › Intrinsic evidence (Phillips canons) › Plain and ordinary meaning to a POSITAPlain and ordinary meaningDecided for petitioner
“construction must begin with the words of the claims themselves.”); In re NTP, Inc., 654 F.3d 1279, 1288 (Fed. Cir. 2011) (citing Phillips v. AWH Corp., 415 F.3d 1303, 1312 (Fed. Cir. 2005) (en banc)) (“As with any claim construction analysis, we begin with the claim language.”). None of the challenged claims (nor even unchallenged claim 8) recites the claimed disabling or terminating occurs in response to the detect signal independent of other circuit conditions or in response only to the detect signal. See Ex. 1001, 12:5–14:36. For instance, independent claim 4 merely recites, “wherein the control circuit disables the switched drive control signal in response to the detect signal.” Id. at 12:49–51. Independent claim 7 similarly recites, “wherein the gating circuit disables the drive control signal in response to the detect signal.” Id. at 13:11–13. Independent claim 9 discloses only, “a first comparator . . . having an output for disabling the pulse generator.” Id. at 13:27–30. Finally, independent claim 15 requires, “comparing the error signal to a reference signal . . . to terminate the step of generating in response to the error signal.” Id. at 14:21–23. Therefore, the plain language of the challenged claims does not, standing alone, support adoption of Patent Owner’s proposed construction.” slip op. at 13
- Expert testimonyPetitioner expert creditedDecided for petitioner
“testimony from their respective declarants on whether one of ordinary skill in the art would understand “in response to” as requiring “independent of other circuit conditions.” Compare Reply 2–3 (citing Ex. 1016 ¶¶ 18–21, 26–30; Ex. 2003, 43:16–45:1) with PO Resp. 14–15, 17 (citing Ex. 2001 ¶¶ 42, 44–45.) and Sur-Reply 11–12 (citing Ex. 2001 ¶ 45). Patent Owner further directs our attention to a single sentence of deposition testimony in which Petitioner’s declarant Dr. Szepesi appears to agree with Patent Owner’s construction by stating, in the context of claim 9, that “the output signal of this first comparator disables the output pulses driving the gate of that independent of anything else.” PO Resp. 8 (citing Ex. 2003, 44:16– 45:1). Petitioner rebuts Patent Owner’s arguments by identifying additional deposition testimony and statements made in a second declaration offered by Dr. Szepesi opposing Patent Owner’s construction. Reply 2–3 (citing Ex. 1016 ¶¶ 18–21, 26–30; Ex. 2003, 43:16–45:1). For instance, immediately before the statement Patent Owner cites, Dr. Szepesi testified: Q: “So is it your opinion that an output for disabling the pulse generator must disable the pulse generator regardless of the other conditions in the circuit?” . . . A: “I don't understand your question. I said disabling the pulse generator means that the output of the pulse generator which is providing the pulses to the gate of the main switch, those pulses are disabled. That’s what it means in my opinion in this context.” Ex. 2003, 43:24–44:9. And, in his supplemental declaration, Dr. Szepesi states: As a first matter, I opined during my deposition that “an output disabling a pulse generator” means that “the output signal of this first comparator disables the output pulses driving the gate of that independent of anything else.” But, at the time of my deposition I had not done a focused claim construction analysis of the limitation “a first comparator […] having an output for disabling the pulse generator.” This is because I hadn’t anticipated there being a dispute relevant to the validity analysis in view of what I understood as the plain meaning of the language. Despite the quote that Patent Owner relied upon, I believe now that a POSITA would not understand the claim language to require the first comparator to disable the output pulses independent of anything else. This belief is consistent with my responses to the first two of three successive questions in which I was asked about “disabling the pulse generator.” It is my opinion that the operation of the disclosed embodiment requires the presence of other conditions precedent before the first comparator can disable the drive pulses and this requirement is not excluded by the claim language. Ex. 1016 ¶ 18 (emphasis added). Our reviewing court has made clear that extrinsic evidence “is generally of less significance than the intrinsic record” in matters of claim construction. Wi-LAN, Inc. v. Apple Inc., 811 F.3d 455, 462 (Fed. Cir. 2016) (citation omitted). Here, beyond competing declarant testimony, neither party has entered into the record extrinsic evidence, such as dictionary definitions or contemporaneous usage in the art, addressing the scope of “in response to.” Having considered the testimony upon which Patent Owner relies and weighing it against the claim language itself, the Specification’s disclosures set forth above, and the contrary testimony of Petitioner’s declarant, we find on balance that it does not warrant departing from the plain and ordinary meaning of “in response to” as Patent Owner urges. See In re Paulsen, 30 F.3d 1475, 1480 (Fed. Cir. 1994) (holding that an inventor may define specific terms used to describe invention, but must do so “with reasonable clarity, deliberateness, and precision”) (quoting Intellicall, Inc. v. Phonometrics, Inc., 952 F.2d 1384, 1387-88 (Fed. Cir. 1992)).” slip op. at 17
- Novelty / Anticipation (§102) › Anticipation standard (single reference, every element)UnpatentableUnpatentable
“Claim 4 further recites, “a control circuit having an input coupled for receiving the detect signal, wherein the control circuit disables the switched drive control signal in response to the detect signal.” Patent Owner’s sole contention with respect to claim 4 is that “[t]he alleged detect signal in Hwang does not satisfy this limitation” because “unlike the ’221 patent, the alleged ‘control circuit’ does not disable the switched drive control signal ‘in response to the detect signal’ independent of other circuit conditions.” PO Resp. 15–16. As discussed above, we decline to import into claim 4 a requirement that the claimed disabling must occur independent of other circuit conditions. See supra Section III.C.1. Because Patent Owner’s argument relies on a claim construction that we rejected above, we are not persuaded that Hwang fails to meet the limitations of claim 4. Rather, having reviewed the evidence cited by Petitioner, we agree with Petitioner that Hwang discloses the limitations of independent claim 4, arranged as recited in the claim. Petitioner’s analysis, as supported by the Szepesi Declaration, further demonstrates where Petitioner contends each element of dependent claims 5 and 6 is disclosed in Hwang. Pet. 21–24. Patent Owner does not dispute Petitioner’s analysis beyond the argument raised with respect to claim 4. See PO Resp. 17. Having reviewed the evidence cited by Petitioner, we agree with Petitioner that Hwang discloses the limitations of dependent claims 5 and 6, arranged as recited in these claims, and we adopt that analysis as our own. Accordingly, for the foregoing reasons, we find Petitioner has shown by a preponderance of the evidence that Hwang anticipates claims 4–6.” slip op. at 25
Patent outcomesUS 6,597,221 mixedClaim construction§ 102 anticipation§ 103 obviousnesscites Phillips · KSR · GrahamPatents in suitUS 6,597,221 - Microsoft Corporation v. Enfish, LLCSome claims unpatentablePTAB · Mar 2, 2015 · IPR2013-00560 · APJ Barbara A Parvis · IPR · Final written decision
Claims 47–48 are unpatentable as anticipated by Visual Basic, and claims 49–50 as obvious over Visual Basic and Jensen; claims 51–53 were not shown unpatentable, and claims 17–23 were terminated.
RulingsFinal written decision- Claim Construction › Threshold & procedure › Whether a term needs construction (O2 Micro)Term construed board ownNo construction neededDecided for patent owner
“Enfish contends that our construction for “object identification number” is incomplete. PO Resp. 15. We evaluate Enfish’s contention below. Enfish also provides a proposed construction for “anchor,” recited in claims 21 and 51. PO Resp. 22. Because we determine that Microsoft has not met its burden with respect to these claims for other reasons, no construction of this term for the purposes of this Decision is necessary. We discern no reason, based on the complete record now before us, to change our constructions in the Decision to Institute of “logical table,” “object identification number,” and “attribute set.”” slip op. at 8
- Novelty / Anticipation (§102) › Anticipation standard (single reference, every element)UnpatentableUnpatentable
“evidence, and the detailed claim analysis, which reads persuasively all elements of claim 47 onto the disclosure of Visual Basic. Pet. 33–46 (citing Ex. 1104, LR 162, 185, 280, 425, 484, 532, 558, PF 1, 3, 18, 37–39, 40, 47, 76, 80, PG 453, 471, 481, 482 ; Ex. 1119 ¶¶ 67–98). For example, we are persuaded that Microsoft has shown by a preponderance of the evidence that Visual Basic discloses configuring memory according to a logical table, as recited in claim 47. In the cited portions above, Visual Basic discloses storing data in a computer formatted as a table object, which is “a logical representation of a physical table.” Ex. 1104, LR 558. The table object comprises “records (rows) and fields (columns).” Id.” slip op. at 16
- Obviousness (§103) › Motivation to combine / reasonable expectation of successMotivation foundMotivation not foundMixed
“2007 ¶ 231. In contrast to Dr. Jagadish’s statement, however, Jensen teaches an object-oriented application for managing information retrieved from a structured database, such as a relational database. Ex. 1106, Abstract. Enfish further contends that Microsoft does not explain why one of ordinary skill in the art would have been motivated to apply the pointers of Jensen to the indexing structure in Visual Basic. PO Resp. 35. We, however, are persuaded that Microsoft has shown a sufficiently articulated reason with rational underpinning to support obviousness (Pet. 48–49 (citing Ex. 1119 ¶¶ 387–404)). Microsoft, for example, states “[i]t was well known in the art at the time that indexes such as the index disclosed in [Visual Basic], maintain object identification numbers of the cell for locating data.” Pet. 49 (emphasis added). Microsoft continues, “Jensen discloses containing the address in a pointer, e.g., a physical memory address (i.e., OIDs).” Id. (citing Ex. 1106, 7:29–35). Dr. Hosking testifies “[i]t was well known in the art at the time that Index Objects locate data by maintaining object identification numbers in the internal pointers as disclosed in Jensen.” Ex. 1119 ¶ 403 (emphasis added). Dr. Hosking further testifies “[a] person of ordinary skill in the art would be motivated to combine Jensen’s teaching of maintaining the OIDs in a pointer with [Visual Basic’s] disclosure of identifying the logical columns / rows with the OIDs.” Ex. 1119 ¶ 404. The predictable use of familiar prior art elements according to their established functions renders the recited invention obvious. See KSR Int’l Co. v. Teleflex, Inc., 550 U.S. 398, 417 (2007).” slip op. at 19
- Obviousness (§103) › Objective indicia / secondary considerations › NexusObjective indicia no nexusDecided for petitioner
“invention, the totality of the evidence submitted, including objective evidence of nonobviousness, may lead to a conclusion that the claimed invention would not have been obvious to one with ordinary skill in the art. In re Piasecki, 745 F.2d 1468, 1471–72 (Fed. Cir. 1984). However, to accord substantial weight to objective evidence requires the finding of a nexus between the evidence and the merits of the claimed invention. In re GPAC Inc., 57 F.3d 1573, 1580 (Fed. Cir. 1995); see also In re Huang, 100 F.3d 135, 140 (Fed. Cir. 1996) (“success is relevant in the obviousness context only if there is proof that the sales were a direct result of the unique characteristics of the claimed invention.”). Enfish contends that the claimed invention received industry accolades, including praise from Microsoft, satisfied a long-felt need, resulted in success where others had failed, as well as commercial success. PO Resp. 42–47. Enfish points to features of claim 17, which Enfish contends are the features of the claimed invention that resulted in the objective indicia of success to which Enfish refers. Id. at 43–44. Claim 17 of the ’775 patent, however, is challenged on the basis that it is anticipated by Visual Basic. Secondary considerations do not weigh into determinations regarding anticipation. Cohesive Techs., Inc. v. Waters Corp., 543 F.3d 1351, 1364 (Fed. Cir. 2008). Because we conclude that Microsoft has not shown that claims 51–53 of the ’775 patent are unpatentable for other reasons, the only claims that we need to evaluate are dependent claims 49 and 50 of the ’775 patent. Microsoft asserts that claims 49 and 50 are obvious over the combination of Visual Basic with a reference that teaches referencing objects through two-way pointers. Pet. 49 (citing Ex. 1106, 7:29–35). Enfish has not shown a nexus between any of the accolades or successes it says occurred and the use of two-way pointers.” slip op. at 24
Patent outcomesUS 6,163,775 mixedClaim construction§ 102 anticipation§ 103 obviousnesscites KSRPatents in suitUS 6,163,775
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.