
Patent Law Weblog
recent posts
- 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)
- Hikma v. Amarin: The Amici Speak – Part III
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Category: Double Patenting
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By Donald Zuhn — On May 6, the Federal Circuit affirmed a decision by the Board of Patent Appeals and Interferences affirming the final rejection of U.S. Application No. 10/618,526 for obviousness-type double patenting. Appellants Frits Jacobus Fallaux, Robert Cornelis Hoeben, Alex Jan Van Der Eb, Abraham Bout, and Domenico Valerio are the named…
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By Donald Zuhn — The Federal Circuit today affirmed a determination by the District Court for the District of Delaware that U.S. Patent No. 5,583,122 was not invalid as obvious nor invalid for obviousness-type double patenting. The '122 patent, which is owned by Plaintiff-Appellee Procter & Gamble Co. (P&G), relates to the compound risedronate,…