Represents clients in a wide range of patent and trademark litigations. Mr. Welsh also has significant experience preparing trademark applications, and prosecuting patents in the mechanical and computer arts. He assists clients to analyze their IP portfolios and implement successful strategies.

Mr. Welsh sits on the executive committee of both the Intellectual Property and Young Lawyers Sections of the Connecticut Bar Association. He regularly speaks to general attorneys and business people on how to effectively identify, protect and assert intellectual property rights.


J.D. University of Connecticut 2006
B.S. Tufts University, Mechanical Engineering 2001


Editor, Connecticut Law Review
Star of the Year, CBA Young Lawyers Section, 2011-12

Court Admissions

States of Connecticut and New York
U.S. Patent and Trademark Office
U.S. District Court (Connecticut and others)
U.S. Court of Appeals (Federal Circuit)
U.S. Court International Trade


IP Law: Congressional Proposal Would Make It More Difficult To Enforce Claims, Connecticut Law Tribune, April 2014
Derived Patents and Derivation Proceedings: The AIA Creates New Issues In Litigation And PTO Proceedings, JPPCLE, April 2012
Costco v. Omega — Are Foreign-Sold Gray Market Goods Exempt From The First Sale Doctrine, JPPCLE, April 2011
Exergen v. Wal-Mart — Pleading Inequitable Conduct, JPPCLE, April 2010
In Re Metoprolol Succinate — Obvisouness-Type Double Patenting, JPPCLE 2008


Intellectual Property Matters: Protecting Your Client’s Intangible Assets, Bar Presentation, October 2012

​Blog Posts

Federal Circuit Guidance on Trademark Webpage Specimens, May 7, 2019
Trademark Registration: An Essential Step to Protecting Your Business, December 21, 2018
Photographic Design Creates Same Commercial Impression as Applied-for Line Drawing, October 13, 2017
Trademark Office Enacts New Audit Program for Declarations of Trademark Use, March 28, 2017


Doctor’s Associates, Inc. v. King & Prince Seafood Corp, 3:15-cv-1733-JAM (D. Conn. 2015) (trademark)
Novadaq Tech. Inc. v. Karl Storz GmbH & Co. KG et al., 2014-CV-4853 (N.D.C.A. 2014) (trademark)
Doctors Associates Inc. v. Barrington et al., 3:2014-cv-00944 (D. Conn. 2014) (trademark, traded dress, copyright)
EZP Products of South Florida, LLC v. The Fifty/Fifty Group Inc. and LOLA Products Corp., 3:2014-cv-00262 (D. Conn.) (patent)
MedPricer v. Karl Storz Endoscopy Am., Inc., 3:2014-cv-00415 (D. Conn.) (commercial lit)
Tommie Copper, Inc. v. Ideavillage Products Corp., 7:2014-cv-01991 (S.D.N.Y.) (trademark)
Tommie Copper, Inc. v. Copper Styles, Inc., 3:2013-cv-06364 (S.D.N.Y.) (trademark)
Doctor’s Associates Inc. v. Kang et al., 3:2013-cv-01679 (D. Conn.) (trademark)
Bruce Kirby, Inc. et al v. LaserPerformance (Europe) Limited et al., 3:2013-cv-00297(D. Conn.) (trademark, contract, design rights)
West End Ventures, LLC v. Sabra Dipping Company, LLC, 3:2013-cv-00162 (D. Conn.) (patent)
WhitServe LLC v. Apple, Inc., 3:2012-cv-01522 (D. Conn.) (patent)
Furnished Quarters, LLC v. Wright et al., 3:2012-cv-01163 (D. Conn.) (trademark)
Doctor’s Associates, Inc. v. Shrivraj Enterprises LLC, 3:2012-cv-00246 (D. Conn.) (trademark)
TransAct Technologies v. EMAILVISION, No. 91202561 (2012 TTAB)
WhitServe LLC v., Inc. et al., 3:2011-cv-00948 (D. Conn.)
WhitServe LLC v. Patrafee AB et al., 3:2011-cv-00562 (D. Conn.) (patent)
Sheetz of Delaware, Inc. v. Doctor’s Associates Inc., No. 91192657 (2011 TTAB)
Karl Storz Endoscopy-America, Inc. v. Stryker, Inc. et al., 3:2009-cv-00355 (D. Conn.) (patent)
Shake-Away Inc v. Weiser Group LLC et al., 3:2008-cv-01512 (D. Conn.) (patent)
Karl Storz Endoscopy-America, Inc. v. Smith and Nephew, Inc., 2:2007-cv-02702 (D. Conn.) (patent)
Sepracor, Inc. et al v. Sandoz, Inc., 3:2007-cv-06107 (D.N.J.) (Hatch-Waxman)
Best Management Products, Inc. v. New England Fiberglass, L.L.C. et al., 1:2007-cv-00151 (D.N.H.) (patent)
WhitServe LLC v. Computer Packages, Inc., 3:2004-cv-01897 (D. Conn.) (patent)
WhitServe LLC v. Computer Patent Annuities Inc et al., 3:2004-cv-01897 (D. Conn.) (patent)

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