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Patent Term Adjustment United States Patent and Trademark Office Pfizer

McDermott Will & Emery

Time Between Original and Corrected Restriction Requirement Nets No Further Patent Term Adjustment (Pfizer, Inc. v. Lee)

Addressing patent term adjustment issues, the U.S. Court of Appeals for the Federal Circuit affirmed the U.S. Patent and Trademark Office’s (USPTO) decision not to adjust the term of a patent, where the 197-day delay resulted...more

McDonnell Boehnen Hulbert & Berghoff LLP

Pfizer, Inc. v. Lee (Fed. Cir. 2016)

Last month, in Pfizer, Inc. v. Lee, the Federal Circuit determined that the District Court for the Eastern District of Virginia did not err in granting summary judgment in favor of the U.S. Patent and Trademark Office on the...more

Mintz - Intellectual Property Viewpoints

Pfizer v. Lee: A Patent Term Adjustment Double Standard?

In Pfizer v. Lee (No. 2015-1265, January 22, 2016), the Federal Circuit upheld the U.S. Patent and Trademark Office’s (USPTO) determination that the toll period for A-type patent term adjustment (PTA) delay stops upon the...more

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

Federal Circuit Holds a Defective Restriction Requirement Ends Patent Term Adjustment

In Pfizer v. Lee, the Court of Appeals for the Federal Circuit held that a “defective” restriction requirement was sufficient to stop the period of patent term adjustment granted when the U.S. Patent and Trademark Office...more

Foley & Lardner LLP

Incomplete Restriction Requirement Stops Clock For Patent Term Adjustment

Foley & Lardner LLP on

In Pfizer v. Lee, the Federal Circuit affirmed the decision of the U.S. District Court for the Eastern District of Virginia that upheld the USPTO’s Patent Term Adjustment (PTA) calculation that stopped the clock running...more

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