COLLEN - The U.S. Trademark Opposition Law Firm.  Collen has substantial experience in representing global companies in trademark opposition proceedings before the U.S. Trademark Trial and Appeal Board.

Why work with us?  Here are a few reasons:

  • Our attorneys have represented clients in several hundred U.S. trademark opposition proceedings
  • Our client list includes well-known international brands
  • We offer reasonable hourly rates and/or fixed-fee options for each phase of the proceeding
  • We are leaders in the U.S trademark industry, and our professionals have served on the Executive Committee of the International Trademark Association and the INTA Trademark Mediators Network

Here are some of the clients who have retained our services:

  • Multinational consumer brand companies
  • U.S. consumer product and service companies
  • U.S. Healthcare System and wellness companies
  • Small business owners and start-ups
  • Non-profit associations
  • Multichannel retailers

Attorneys and law firms also seek out our services to represent their own clients or provide guidance and subject matter expertise.

To speak with our attorneys about your matter, please contact James Hastings at (914) 941-5668 or email: jhastings@collenip.com

Updated: January 2022

U.S. Trademark Opposition: FAQ

A trademark opposition is a contested proceeding before the U.S. Trademark Trial and Appeal Board.   Any third-party may oppose the trademark application of another party.  An opposition may be filed only when the subject application is published in the Official Gazette of the U.S. Patent and Trademark Office.  The time to file an opposition is within 30 days of publication.  Extensions of time to file an opposition may be granted for an additional 30 days upon request, and up to 90 days for good cause shown.


Continue Reading Trademark Opposition Checklist for Opposers

A trademark opposition may be filed based on one of several grounds.   This includes that the mark is merely descriptive and should be refused registration pursuant to Section 2(e)(1) of the Trademark Act.

A trademark is assessed on a continuum of legal strength.  The strongest trademarks (and thus most eligible for trademark protection) are arbitrary

Trademark opposition proceedings are civil litigations before the U.S. Trademark Trial and Appeal Board (TTAB).  Companies that wish to enforce their trademark rights through TTAB proceedings should take into account the following pre-filing considerations:

  1.  Standing. Standing is a procedural requirement for all potential opposers.  To establish standing to bring or maintain a trademark opposition,