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- "The Interplay between Reexaminations, Preliminary Injunctions and Stays of Litigation" - by Dennis Crouch at PATENTLYO.COM
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Request Filed Against Stryker Patent
| April 22, 2009
The law firm McDonnell Boehnen Hulbert & Berghoff has filed a request for ex parte reexamination of Stryker Technologies’ U.S. Patent No. 6,352,559 entitled “ENDOPROSTHETIC BONE JOINT DEVICES.” The request asserts that most of the claims are obvious over a reference (either alone or with other art) which was cited, but apparently not discussed, during the original ‘559 prosecution.
The ‘559 patent was alleged to be infringed in Btg. Int.l. Ltd. v. Zimmer Holdings (1:04cv85). The case ended in 2006 with a stipulated dismissal with prejudice.
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Category: Reexamination Requests
