Two district courts recently came to the opposite conclusion on terminal disclaimers, an important issue in patent portfolio management. In both cases, the plaintiff asserted a patent for which a terminal disclaimer had been filed…
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The interaction of the patent exhaustion doctrine and covenants not to sue was highlighted in a recent opinion from the District of Delaware in Purdue v. Collegium. The court denied Collegium’s motion to dismiss, which was premi…
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Sovereign immunity does not exempt state governments from inter partes review, according to a Federal Circuit decision issued on Friday in Regents of the University of Minnesota v. LSI Corp. The decision extends the Federal Circui…
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The on-sale bar spelled the end for some of Quest Integrity’s patent claims against Cokebusters in a recent Federal Circuit decision. Interestingly, the on-sale bar applied not because of a sale of a claimed invention but becaus…
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The Southern District of Texas issued an interesting Markman ruling in ConocoPhillips v. In-Depth Geophysical. While the court construed most of the claim terms in ConocoPhillips’s favor, In-Depth managed to secure rulings that…
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The District of Delaware recently issued an instructive decision on eligible subject matter under § 101, invalidating one family of patents while upholding another. IPA Technologies, Inc. v. Amazon.com, Inc.
Plaintiff IPA Technol…
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In a short, unanimous opinion, the Supreme Court held that “secret sales” count as prior art under the on-sale bar. The Court, in the anticipated case Helsinn Healthcare v. Teva Pharmaceuticals, found that Helsinn’s agreemen…
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Magistrate Judge Payne in the Eastern District of Texas recently recommended invalidating two e-ticket patents for ineligible subject matter under § 101. In Bytemark v. Masabi, No. 2:16-cv-00543-JRG-RSP (E.D. Texas, Nov. 25, 2018…
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Personal Beasties stumbled out of the gate against Nike, with a district court invalidating Personal Beasties’ patent for ineligible subject matter on a motion to dismiss. Personal Beasties Group LLC v. Nike Inc., An animated ch…
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The District of Massachusetts recently granted a motion to dismiss for ineligible subject matter under 35 U.S.C. § 101 and the Alice/Mayo test in a case involving home electrocardiogram sensors, CardioNet, LLC v. InfoBionic, Inc…
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