Ohio State University filed a Trademark Trial and Appeal Board action last week against Oklahoma State University over the use of the block “O” logo. Ohio claims ownership of the “O” since 1898 and states Oklahoma’s similar style character is likely to cause confusion between the two.
Oklahoma State University must address Ohio State University’s claim of infringement and dilution by October 8th. The character in dispute was filed for a trademark application in Dec. 2017 by the University of Oklahoma Board of Regents, with claims that the drum major of its school band has worn an “O” commercially since 2001.
Oklahoma State University and Ohio State have previously reached an agreement on similar matters In Sept. 2017 for joint use of the acronym “OSU.” The resolution came after Oklahoma State filed an extension with the U.S. Patent and Trademark Office saying that they planned to oppose Ohio State’s use of the trademark.