Skip to Content

Category: Patent Related Court Rulings

Lead Compound Analysis in Mylan v. RCT

Lead compound analysis (LCA) has been used in the evaluation of chemical compound Obviousness for the past 20 years.[1]  This approach supplemented the historic formulation of In re Dillon.[2]  While the Dillon analysis pivots about the structural similarity of the cited compound to that claimed and any motivation to make the claimed compound, LCA involves selection of a lead compound that is the most promising candidate for modification to improve its activity.  As such, it represents a somewhat more difficult standard than in Dillon.

Obviousness, Prodrugs and the Rule of 5: Amerigen Pharmaceuticals Limited v. UCB Pharma GmbH

In Amerigen Pharmaceuticals Limited v. UCB Pharma GMBH, 2017-2596 (Fed. Cir. January 11, 2019), the Federal Circuit upheld the Board’s IPR finding that claims 1-5 and 21-24 of UCB’s U.S. Patent 6,868,650 were not obvious.[1]  The patent claims cover Toviaz® (Fesoterodine), an antimuscarinic drug to treat urinary incontinence.[2]  Judge Lourie included a remark […]

Assignor Estoppel & Inter-Partes Review: Arista Networks, Inc. v. Cisco Systems, Inc.

Arista Networks, Inc. (Arista) petitioned for an IPR of Cisco Systems, Inc.’s (“Cisco”) patent, U.S. 7,340,597, relating to protecting computer network systems from outside attack using a logging module.[1] Claims 1 and 29 are as follows: 1.An apparatus comprising: a communications device comprising: a subsystem; and a logging module, coupled to […]

Stone Basket Innovations v. Cook Medical LLC : When Is a Case “Exceptional” for the Purposes of §285?

Stone Basket Innovations (SBI) sued Cook Medical LLC (Cook) for infringement of its patent, U.S. Patent No. 6,551,327 (‘327 Patent) in the U.S. District Court for the Eastern District of Texas.[1]  Subsequently, the case was transferred to the U.S. District Court for the Southern District of Indiana (Southern District).[2]  The […]

From A[pple] to Z[eroclick]: The Federal Circuit Overrules District Court in Zeroclick, LLC v. Apple, Inc.

In Zeroclick, LLC v. Apple Inc., 2017-1267 (Fed. Cir. June 1, 2018), the Federal Circuit overruled the U.S. District Court for the Northern District of California for improperly interpreting claims regarding the application of 35 U.S.C. §112, ¶ 6.  The case related to an appeal from an action where Zeroclick had […]

Will Alice Become the New Markman?

Buried amidst the flurry of recent Federal Circuit subject matter eligibility decisions is a question that could significantly change how Section 101 is applied in patent litigation.  Specifically, the issue is whether performing Step 2 of the Mayo/Alice test can require a factual inquiry.  If upheld, this interpretation of Alice could make patent litigation […]