Trademark: Amazon.com, Inc. (AMZN) reportedly holds the largest portfolio of trademarks, currently consisting of 1,350 active trademarks.
Patents: International Business Machines Corporation (IBM) has a long-standing history as the U.S. company with the most patent filings each year. It currently holds over 120,000 patents.
Copyright: Sony Music Publishing, a subsidiary of the Japanese conglomerate Sony Group Corporation (SONY) holds the most copyrights in the music publishing industry
Trade secret: The Coca-Cola Company (KO) refers to the secret recipe for its legendary soft drink as “The Secret Formula”. It is widely regarded as one of the most valuable trade secrets.