Patent Law Weblog
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- PTAB Reverses § 101 Rejection Where Examiner Failed to Follow the Office’s Own Guidance
- Collision Communications v. Samsung: What Good Did the Government’s Statement of Interest Do?
- United States Files Statement of Interest in Patent Infringement Proceedings
- Supreme Court Oral Argument in Hikma v. Amarin
- Enviro Tech Chemical Services, Inc. v. Safe Foods Corp. (Fed. Cir. 2026)
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Category: Best Mode
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By Suresh Pillai — Last week, the Federal Circuit affirmed a determination by the International Trade Commission ("ITC") that: (1) the asserted claims of U.S. Patent Nos. 5,827,698 and 6,040,160 were invalid for failure to comply with the best mode requirement, and (2) the '698 patent was unenforceable due to inequitable conduct. Both the…
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By Kevin E. Noonan — On Friday, the Court of Appeals for the Federal Circuit handed Pfizer a mixed decision on defendant Teva’s appeal of a District Court judgment that Teva was liable for infringing a trio of Pfizer patents (U.S. Patent Nos. 5,466,823; 5,563,165; and 5,760,068) relating to the pain medication Celebrex®…
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