Tag Archives: Ex Parte Reexamination

Institut Pasteur Obtains Reversal Of USPTO Board Decision Of Obviousness Of Eukaryotic Site-Directed Mutagenesis Methods

In Institut Pasteur v. Focarino, the Federal Circuit found that the obviousness determination by the USPTO Board of Patent Appeals and Interferences was not supported by substantial evidence, and rested on an “erroneous obviousness analysis.” It dismissed the appeal as to one patent, however, because it was amended during reexamination and expired during the pendency … Continue reading this entry

Fresenius Escapes $25 Million Damages Award, Based on Invalidation of Baxter Patent In Ex Parte Reexamination

In Fresenius, USA Inc. v. Baxter International, Inc., the Federal Circuit interpreted the ex parte reexamination statutes (35 USC §§ 301-307) as providing that the final cancellation of claims in a reexamination proceeding is binding on concurrent litigation proceedings, as long as the litigation is still pending. This decision validates the use of ex parte … Continue reading this entry

Federal Circuit Holds The Reexamination Door Open In In Re Baxter

When the Federal Circuit denied the Request for Panel Rehearing and Rehearing en banc in In re Baxter, the court let stand its two decisions that affirmed conflicting rulings on the validity of the same patent. In Fresenius USA, Inc. v. Baxter Int’l, Inc., 582 F.3d 1288 (Fed. Cir. 2009), the court affirmed the district … Continue reading this entry

USPTO Reverses Course to Permit Anonymous Ex Parte Reexamination Requests

Responding to public feedback, the USPTO announced that it has dropped a controversial proposal that would have required all requests for ex parte reexamination to identify the requester’s “real party in interest.”  The change is one of several new provisions in a Final Rule, released August 6, 2012, which implements a new estoppel provision in the America Invents … Continue reading this entry

Proposed AIA Implementation Rules: Estoppel Against Ex Parte Reexamination

On January 5, 2012, the USPTO issued a Federal Register Notice with proposed rules to implement provisions of the America Invents Act relating to the citation of prior art and written statements in a granted patent.  While I wrote about those changes previously, the same rules package includes proposed changes to the ex parte reexamination rules that … Continue reading this entry