USPTO Patent Reexamination Request - US Patent No. 6,924,413
December 11, 2007
    The Patent Watch Program and the American Anti-Vivisection Society file a legal "Request for Reexamination" with the federal Patent and Trademark Office seeking the cancellation of a patent granted to researchers on a rabbit whose eyes are purposefully damaged for use in medical experiments.
 

Withdrawal of U.S. Patent No. US-6,444,872-B1
May 24, 2004
The University of Texas withdraws its patent on a beagle whose immune system was compromised to facilitate the dog's use in medical experiments.
View the Press Release.

Inter Partes Reexamination Communication - U.S. Patent No. US-6,444,872-B1
May 19, 2004
The U.S. Patent and Trademark Office grants CTA's request that the PTO reexamine the University of Texas' patent on a beagle whose immune system was compromised to facilitate the dog's use in medical experiments.

USPTO Reexamination Request - U.S. Patent No. US-6,444,872-B1
February 25, 2004
The Patent Watch Program and the American Anti-Vivisection Society file a legal "Request for Reexamination" with the federal Patent and Trademark Office. The action demands that the Office cancel a patent granted to University of Texas researchers on a beagle whose immune system was compromised to facilitate the dog's use in medical experiments.
View the Executive Summary.