Twitter Linkedin Facebook Learn More Now Here at Welsh IP Law we specialize in patent and trademark prosecution & litigation.
We provide upfront estimates and use flat rates to provide predictability in your IP budget.
Patent &
Trademark Attorney

We are an intellectual property law firm based in Fairfield County, Connecticut.

Our passion is increasing the value of our client’s business through strategic patent and trademark protection.  We work directly with engineers, scientists, and executives to develop and grow intellectual property portfolios that protect and strengthen the client’s business.  Our clients include Fortune 500 companies, global brands, family businesses, and start-ups from around the world.

Our passion is increasing the value of our client’s business through strategic patent and trademark protection.

Explore Our Areas of Practice

We work directly with engineers, scientists, and executives to develop and grow intellectual property portfolios that protect their investment and increase the value of their business. Our clients include Fortune 500 companies, global brands, family businesses, and start-ups from around the world.

Patents

We are experts in drafting and obtaining strong patents that protect your business.   We work hard to understand your business and investigate your competition. Understanding your invention and business allows us to craft valuable patent claims.

Trademarks

A business’s brand is its most valuable asset and our clients trust us to manage, develop, and protect their brands to ensure the future success of their businesses.  We have extensive experience prosecuting and obtaining registrations at the Trademark Office.

Litigation

We work hard to achieve client goals in the Federal Courts and the Patent and Trademark courts. We have a long record of aggressively and effectively protecting clients’ IP rights

Portfolio Management

It is essential that your IP portfolio strategy and investment aligns closely with your product development and business objectives. We counsel clients on increasing business value through growing and maintaining patent and trademark portfolios. This is what we love to do.

Walter B. Welsh, Esq.

Walter B. Welsh is the owner of the Welsh IP Law firm. He is a veteran patent and trademark attorney with twenty years of career experience as a practicing lawyer and mechanical engineer.

His passion is increasing business value through strategic patent and trademark protection. An engineer by trade, he has developed a global intellectual property practice and a strong reputation as an expert in patent and trademark law. He focuses on developing and growing intellectual property portfolios that resonate with corporate objectives and amplify market positions. His clients include Fortune 500 companies, global brands, family businesses, and start-ups. He works hard to achieve client goals at the USPTO and in the Federal Courts and he is known for aggressively protecting his clients’ intellectual property.

Walter lives with his family in Darien, Connecticut.  He is an avid skier and cyclist.  You can connect with him on Strava.

Bar Admissions

  • State of Connecticut
  • State of New York
  • District of Connecticut
  • Unites States Patent and Trademark Office, Reg. No. 64,424
  • Southern District of New York
  • Eastern District of New York
  • Court of International Claims
  • Court of Appeals for the Federal Circuit

Education

  • University of Connecticut School of Law, Juris Doctor
  • Tufts University, Bachelor of Science Mechanical Engineering.

Contact Welsh IP Law

Please contact us for a courtesy consultation and estimate regarding your intellectual property.

PO Box 1267 Darien, CT 06820

We specialize in prosecution and litigation

Our clients include Fortune 500 companies, global brands, family businesses, and start-ups from around the world.