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

The U.S. Patent and Trademark Office  (USPTO) has adapted to the COVID-19 era.  Yet, performance challenges in certain operational areas remain.  This is the conclusion of the USPTO FY 2020 Annual Report.  Our previous article on TTAB statistics in the age of COVID-19 may be found here.

TTAB FY 2020 performance.   The TTAB is responsible

Recent TTAB filing statistics reveal that COVID-19 has not substantially impacted U.S. trademark opposition filings.  While trademark opposition filings are slightly below pace compared to last year, trademark cancellation activities are on the rise.  This is good news for brand owners and practitioners everywhere.  Our previously reported summary of 2019 TTAB statistics may be found

We recently spoke with Martin Hermida, intellectual property consultant at ClarkeModet in Uruguay, to discuss how COVID-19 has impacted Uruguay trademark opposition and cancellation rules and procedures.

1. How has the COVID-19 pandemic impacted your national trademark office’s policies and procedures regarding Uruguay trademark oppositions, cancellations, and invalidations?

The COVID-19 pandemic has not affected

Updated: June 2021

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