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  • PTAB · Jan 31, 2019 · IPR2018-00568 · APJ Kristi L R Sawert · IPR · Rehearing

    The Board denied Hologic’s rehearing request, leaving in place the § 325(d) denial of institution for claims 1–6 because Hologic did not show the Board abused its discretion.

    RulingsRehearing decision
    • RehearingRehearing, deniedDenied

      “II. STANDARD OF REVIEW A party requesting rehearing bears the burden of showing that a decision should be modified. 37 C.F.R. § 42.71(d). The party must identify all matters it believes the Board misapprehended or overlooked, and the place where each matter was addressed previously in a motion, an opposition, or a reply. Id. When rehearing a decision on petition, we review the decision for an abuse of discretion. 37 C.F.R. § 42.71(c). An abuse of discretion occurs when a “decision was based on an erroneous conclusion of law or clearly erroneous factual findings, or . . . a clear error of judgment.” PPG Indus. Inc. v. Celanese Polymer Specialties Co., 840 F.2d 1565, 1567 (Fed. Cir. 1988) (citations omitted).” slip op. at 2

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

      “The Board determined that these factors weighed in favor of denying institution because, inter alia: the Examiner considered the same prior art or prior art cumulative to Petitioner’s prior art during prosecution, id. at 12–13; the Examiner thoroughly considered the patentability of the ’352 patent’s claims over the lengthy period of prosecution, id. at 13–15; Petitioner’s arguments were substantially the same as the findings the Examiner made with respect to prior-art reference Montagnier, which is a strong (if not stronger) reference than the prior art Petitioner asserted in these Petitions for inter partes review, id. at 15–18; Petitioner failed to address §325(d) in the Petition, id. at 18; and Petitioner failed to persuade the Board that the Examiner erred in relying on the unexpected results shown in the Laayoun Declaration, id. at 18–21; see also id. at 21–22 (weighing the factors). As to the final finding, the Board considered Petitioner’s argument that the Laayoun Declaration is not persuasive evidence of non-obviousness because the Declaration compares the claimed invention to Bell’s prior-art primers, rather than Backus’s “closest prior art” primers. Id. at 20–21. The Board explained that Petitioner bears the burden to prove unpatentability in an inter partes review, and had failed, in this case, to provide “some persuasive evidence that the claimed primers would not have been unexpectedly better than Backus’s primers.” Id. at 21. The Board noted that the Examiner was aware of Backus, but nevertheless “accepted Bell as the closest prior art.” Id. The Board “decline[d] to revisit that decision,” because “Petitioner d[id] not persuade us that the Examiner erred in accepting that evidence as showing unexpected results.” Id. at 21–22.” slip op. at 4

    • Obviousness (§103) › Objective indicia / secondary considerations › Unexpected resultsDecided for patent owner

      “Here, Petitioner attempted to show that Bell is not the closest prior art by presenting schematics comparing the nucleotide sequences of Backus’s primers to Bell’s primers and repeating Dr. Linnen’s statements that he considered the Backus primer set “closer” to the claimed primer set than the Bell primer set. Pet. 52–54 (citing Ex. 1020 ¶¶ 317–327). But neither Petitioner nor Dr. Linnen attempted to explain—or present any evidence— that Backus’s primers would have achieved the same results as the claimed primers. See Instit. Dec. 21. Put differently, Petitioner’s bare assertions failed to establish a reasonable likelihood that Patentee’s unexpected results would have been any different when compared to Backus. See Kao Corp. v. Unilever U.S., Inc., 441 F.3d 963, 970 (Fed. Cir. 2006) (calling patent challenger Unilever’s argument that patentee Kao’s unexpected results were not compared to the closest prior art “not sustainable”: “Even if we were to conclude that Gangadharan was clearly the closest prior art, Unilever has not demonstrated, or even alleged, that Gangadharan achieved [the unexpected results] reported by Kao. . . . In the absence of such an allegation, any error made by the trial court in using Gueret for its comparison would be harmless.”). Third, we note that Petitioner’s case appears to rely on an overly mechanical application of the “closest prior art.” See Reh’g Req. 6–12. Although unexpected results must be shown to be unexpected compared to the closest prior art, the Federal Circuit has warned against applying that requirement “so rigidly as to require [patentee] to identify and focus on just one prior art product when multiple, similar” products “existed or were described in the prior art.” Tris Pharma, Inc. v. Actavis Labs. FL, Inc., 2019 WL 254418, at *7 (Fed. Cir. Jan. 16, 2019). Thus, as we stated in the Institution Decision, we decline to revisit the Examiner’s decision to accept the Laayoun Declaration absent some persuasive evidence that the claimed primers would not have been unexpectedly better than Backus’s primers. Instit. Dec. 21.” slip op. at 8

    § 103 obviousnessDiscretionary denial
    Patents in suitUS 8,697,352

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