AdvertisementSKIP ADVERTISEMENTZiff Davis, which owns more than 45 media properties, is accusing the tech company of infringing on the publisher’s copyrights and diluting its trademarks.The San Francisco headquarters of OpenAI, which Ziff Davis said “intentionally and relentlessly reproduced exact copies and created derivatives” of the publisher’s works. Credit...Jim Wilson/The New York TimesApril 24, 2025, 4:55 p.m. ETZiff Davis, the digital publisher behind tech sites like Mashable, PCMag and ...