Intellectual Property Law

Ex Parte Reexamination Statistics
Patently-O has a good post on ex parte reexamination statistics, pointing out a few salient facts. First, such requests are granted over 95% of the time, indicating that the requirement that the reexamination request must present a ?substantial new question...

Ex Parte Reexamination Statistics II
To get some sense of the PTO?s current ex parte reexamination practice, I looked at the 2000+ reexamination certificates that have been published in the Official Gazette since January 2000...

Patent Reexamination Used to Stall Patent Enforcement
Here a link to an interesting article in the May 5, 2008 issue of Forbes, that highlights the use of anonymous, ex parte requests for reexamination to the Patent Office. The result of a reexamination is to stall enforcement of the patent against possible infringers...

Pfizer's Lipitor '893 Patent Survives Reexamination
By Donald Zuhn -- On Wednesday, Pfizer announced that it had received a Notice of Intent to Issue an Ex Parte Reexamination Certificate for U.S. Patent No. 4,681,893 from the U.S. Patent and Trademark Office...

Second Viread® Patent Survives Reexamination
By Donald Zuhn -- Yesterday, Gilead Sciences, Inc. announced that the U.S. Patent and Trademark Office had issued a Notice of Intent to Issue an Ex Parte Reexamination Certificate for U...

Nice Patent Reexamination Example from the Golf Industry (A Polite Way of Saying Here is a Good Example of Competitors Trying to Sink Each Others Golf Patents)
It is hard to believe that is has been over a year since I authored a post titled ?Bust Your Competitors? Patents? regarding the patent reexamination process. Since that post many of you have probably learned a little more about the process simply by following my coverage of the Callaway v...