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Intrinsic Evidence Trumps Plain and Ordinary Meaning

ASTRAZENECA AB v. MYLAN PHARMACEUTICALS INC. Before:  Taranto, Hughes, and Stoll - Summary: For purposes of claim construction, intrinsic evidence can trump the plain and ordinary meaning of scientific conventions such...more

You Missed a Spot: The PTAB Should Consider All Presented Arguments and Evidence in Obviousness Determinations

CANFIELD SCIENTIFIC, INC. v. MELANOSCAN, LLC - Before Newman, Dyk, and Reyna. Appeal from the Patent Trial and Appeal Board. Summary: The PTAB’s refusal to consider presented arguments and evidence can be a...more

Joining an IPR Triggers IPR Estoppel Only for Instituted Grounds

NETWORK-1 TECHNOLOGIES, INC. v. HEWLETT-PACKARD COMPANY, HEWLETT PACKARD ENTERPRISE COMPANY - Before Prost, Newman, and Bryson. Appeal from the United States District Court for the Eastern District of Texas. Summary: A...more

Fintiv Is the New Nhk Springs: New Informative Decisions Sharpen the PTAB’s Focus on Discretionary Denials and Provide Guideposts...

The PTAB has been grappling with how to manage IPR petitions for patents that are also being challenged in federal district court, particularly when the district court is set to determine the patent validity prior to the...more

Subsequent Examination After RCE and Interference Proceeding Are Not PTO Delay

MAYO FOUNDATION FOR MEDICAL EDUCATION AND RESEARCH v. ANDREI IANCU, UNDER SECRETARY OF COMMERCE FOR INTELLECTUAL PROPERTY AND DIRECTOR OF THE UNITED STATES PATENT AND TRADEMARK OFFICE - Before: Newman, Lourie, and Dyk -...more

Broad Claim Language and Unpredictability in the Art Lead to Non-Enablement

ENZO LIFE SCIENCES, INC. v. ROCHE MOLECULAR SYSTEMS, INC. Before Prost, Reyna, and Wallach. Appeal from the United States District Court for the District of Delaware. Summary: Broad patent claims were invalid as not...more

Virnetx Inc., v. Apple, Inc.

Federal Circuit Summary - Before Newman, O’Malley, and Chen. Appeal from the PTAB. Summary: Patent Owner Vertnetx Inc. (“Virnetx”) was collaterally estopped from arguing that a reference was not a printed publication...more

BSG Tech LLC v. BuySeasons, Inc.

Federal Circuit Summary - Before Reyna, Wallach, and Hughes. Appeal from the District Court for the Eastern District of Texas. Summary: When the only unconventional feature of the patent claim is what has already been...more

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