Patrick M. Bergin

  • Office:
    • Milwaukee

      411 East Wisconsin Avenue
      Suite 1000
      Milwaukee, WI 53202

  • Telephone: (414) 287-1505
  • Fax: (414) 238-6594

Pat Bergin is a registered Patent Attorney with the United States Patent and Trademark Office and chairs the firm’s Patent Law Section. He regularly assists clients with a broad range of intellectual property issues with an emphasis on domestic and international intellectual property procurement, including:

  • drafting and prosecuting utility and design patent applications in the mechanical, electro-mechanical and medical device arts before the United States Patent and Trademark Office;
  • patent litigation;
  • trademark prosecution and brand counseling, including selecting, clearing, registering, and enforcing trademarks, as well as trademark proceedings before the Trademark Trial and Appeals Board; 
  • trademark litigation involving Lanham Act, cybersquatting, false advertising, and unfair competition;
  • conducting reviews and issuing opinions in patentability, right-to-practice, patent (in)validity and patent infringement;
  • negotiating and drafting technology transfer agreements;
  • due diligence for mergers and acquisitions; and
  • domain name disputes and social media issues including website terms of service, trademark keyword and adword issues, and cybersquatting.

Pat is a member of both the American and Wisconsin Intellectual Property Lawyers Associations, the American Bar Association, the State Bar of Wisconsin and the Milwaukee Bar Association.

Pat is active in the community and currently serves as a member of the St. John Vianney School Committee and as a Board Member of Elmbrook Little League. Pat has also served on the Board of Elmbrook Swim Club as President (2017) and Director of Meet Operations (2015-2016).

Practice Areas:


  • Marquette University, J.D., B.S.
  • University of Minnesota, B.A.

Bar Admissions:

  • Wisconsin
  • Licensed to practice before the United States Patent and Trademark Office


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