The block O with and without "Ohio State" across it has been the official logo of the athletic department for decades. "Ohio State" in that logo now will be all black, instead of two colors.

Ohio State reportedly asked Overtime in July to stop using the logo, claiming it was too similar to its own trademarked block “O.” In response, Overtime filed a lawsuit in New York City, where ...

The Block O jersey represents Ohio State since it physically looks like a block letter “O.” But the Buckeyes also use it to commemorate Bill Willis.

Ohio State first registered a trademark for a version of its block “O” logo in 1997, then another version in 2003 and a third in 2013, the trademark documents state.

The sixth-year senior affectionately dubbed “X” by teammates was named the recipient of the Buckeyes’ “Block O” jersey on Saturday, becoming the fourth Ohio State player to be awarded ...

COLUMBUS, Ohio — Oh no: A New York-based sports network has turned to the federal courts in its trademark dispute with Ohio State University over use of the letter “O.” Overtime Sports Inc ...