June 06, 2025
The acting director of the U.S. Patent and Trademark Office revived Longhorn Vaccines & Diagnostics LLC patent claims on Thursday that her predecessor had invalidated to punish Longhorn for misconduct.
August 09, 2024
The Patent Trial and Appeal Board has only faced a handful of instances where sanctions took center stage, but the U.S. Patent and Trademark Office director's rulings have made attorneys increasingly aware that pushing ethical boundaries at the board could put their cases and their careers at risk.
July 29, 2024
U.S. Patent and Trademark Office Director Kathi Vidal backed sanctions for Longhorn Vaccines & Diagnostics' "egregious abuse" of the Patent Trial and Appeal Board system because of the patent owner's "deliberate scheme to hide" harmful evidence from the board, she said in an opinion made public Friday.
December 12, 2023
Healthcare company Longhorn Vaccines has told the U.S. Patent and Trademark Office director that the Patent Trial and Appeal Board wrongly wiped out five of the company's patents for mistakes that were made by its former outside counsel rather than by Longhorn itself.
November 27, 2023
Longhorn Vaccines & Diagnostics LLC says the U.S. Patent and Trademark Office director should throw out a sanctions order against it, given as punishment for when a patent owner withholds key evidence from the Patent Trial and Appeal Board.
October 30, 2023
U.S. Patent and Trademark Office Director Kathi Vidal has asked for feedback on whether invalidating a patent is proper punishment for an owner that withholds key evidence from the Patent Trial and Appeal Board.
June 16, 2023
U.S. Patent and Trademark Office Director Kathi Vidal has decided to review a recent Patent Trial and Appeal Board decision that invalidated five Longhorn Vaccines & Diagnostics specimen collection patents as punishment for withholding information during inter partes reviews.
June 01, 2023
A Patent Trial and Appeal Board decision to invalidate five patents as punishment after their owner withheld test results that didn't support its arguments illustrates how seriously the board takes the duty of candor and highlights the potential pitfalls of conducting tests during a case, attorneys say.
May 24, 2023
The Patent Trial and Appeal Board has ruled that Longhorn Vaccines & Diagnostics withheld information during inter partes reviews of five of its biological specimen collection patents, and canceled all 183 challenged claims as a sanction for the company's "egregious abuse of the PTAB process."