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Minneapolis Law Firm


Intellectual Property


Oppenheimer’s Intellectual Property attorneys represent clients in all aspects of intellectual property including technology acquisitions, patent and trademark portfolio strategy, infringement, administrative proceedings, competitive assessment, and due diligence.


Recent Experience

Our patent attorneys:

  • Advise on U.S. and foreign patent prosecution, post-grant proceedings, appeals, oppositions, validity, infringement, risk analysis, and competitive assessment
  • Currently manage more than 2500 patents in approximately 40 countries


Our trademark team:

  • Advises clients in U.S. and foreign trademark clearance and prosecution, enforcement, oppositions, cancellations, infringement disputes and internet issues
  • Manages more than 4000 trademarks and domain names in approximately 140 countries


We are also highly experienced in IP matters related to: 


  • Copyrights
  • IP monetization
  • Software counseling and risk management
  • Advertising
  • User generated content, sweepstakes and contests

Intellectual Property Team
Representative Client List
American Medical SystemsArizant Healthcare        Northern Tool
Select ComfortTravelersVasamed
Wilson LearningYpsomed 
Attorney Contact
Barbara Wrigley  Barbara Grahn 
Intellectual Property Client Alerts
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