The 2026 Edition is Available of A Trademark is Not a Copyright or a Patent by William M. Borchard with Deborah K. Squiers
We are pleased to announce that Bill Borchard and Deborah K. Squiers have produced the 2026 edition of the popular publication A Trademark is Not a Copyright or a Patent. We invite you to download as many copies as you wish from our website.
This is its 52nd year.
This edition updates the following:
Trademarks and Patents
- Patentability of AI-assisted inventions.
- The number of Madrid Protocol Members for trademark filings is 116.
Copyrights
- AI-generated works and copyrights
- The earliest year of publication when authorized works published in the U.S. could still be in copyright is 1930.
For further information please contact Deborah K. Squiers or your CLL attorney.

Partner
Email | 212.790.9211
Debbie concentrates her practice on intellectual property with particular emphasis on trademark enforcement and litigation and trademark counseling and prosecution (US and worldwide).