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Patent Applications Patent Terms Appeals

Sheppard Mullin Richter & Hampton LLP

Federal Circuit Emphasizes Role of Filing Dates, Reversing Obviousness-Type Double Patenting Invalidation

In Allergan USA, Inc. v. MSN Laboratories Private Ltd., No. 2024-1061 (Fed. Cir. August 13, 2024), the Federal Circuit reversed the District Court of Delaware’s invalidity determination of certain claims of U.S. Patent No....more

McDermott Will & Emery

Same Applicant, Similar Claims Support Obviousness-Type Double Patenting Rejection

The US Court of Appeals for the Federal Circuit affirmed a Patent Trial & Appeal Board obviousness-type double patenting rejection, finding that an unexpected mechanism of action does not render the known use of a known...more

Sterne, Kessler, Goldstein & Fox P.L.L.C.

Mind Your Ps and Qs, and Your PTAs Too

Last week, the Federal Circuit held that obviousness-type double patenting trumps patent term adjustment, opening the door for invalidity attacks that to date had been questionable. In re Cellect was an appeal from a...more

McDermott Will & Emery

Another Kind of Term Limit: Delay Resulting from After-Allowance Amendments Deducted from PTA

McDermott Will & Emery on

The US Court of Appeals for the Federal Circuit affirmed the US Patent & Trademark Office’s (PTO) decision on a patent term adjustment (PTA), finding that it was appropriate to deduct days from a patent term when the...more

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