Ideas. Owned.®
Brian L. Stender is a partner with Patterson Thuente IP whose practice combines patent prosecution and intellectual property litigation, as well as preparation of patentability, infringement, and invalidity analyses and opinions on behalf of the firm’s clients. Brian’s technical experience lies in the areas of chemical, biochemical, mechanical, and medical devices.

Prior to joining the firm, Brian worked as an in-house patent liaison for Phillips Plastics Corporation where he focused on patent prosecution and portfolio management and developed extensive knowledge in injection molding, insert molding and multi-shot processes. In addition, he has experience with small-scale pharmaceutical-derivative synthesis and characterization, aquatic photochemistry, time-resolved flash photolysis, and process development.

Representative Technology Experience
  • Ammunition primer compounds
  • Biodegradable fiber-molded products
  • Carbon nanotube technologies
  • Electrochemical deposition compositions and processes
  • Coagulation agents and anticoagulants
  • CpG binding protein homologs for Prokaryotic DNA enriching
  • Ethanol and ethanol-byproduct processing
  • Fertilizer and cementitious compounds
  • Fischer-Tropsch catalysts
  • Immunological assays
  • Ion-exchange filter technology
  • Medical devices and medical device coatings
  • Mutein proteins for binding TNF receptors
  • Nanoscale green-fuel technology
  • Nutraceuticals
  • Oil extraction process in ethanol production
  • Pharmaceuticals
  • Polymer compositions
  • Processes for detecting chemical, biological and environmental analytes
  • Processes for removing impurities from gas streams

Case Studies
  • Represented defendant, a distributor of cooking accessories, in patent infringement case that settled before initiation of the discovery phase on favorable  terms for the defendant
  • In a trade dress case, represented manufacturer and distributor of music chairs—settled with favorable terms for client during course of bench trial
  • Represented various defendants in architectural design copyright cases that settled before trial with favorable terms
  • For defendants In a trademark litigation case, represented the plaintiff against multiple infringers who were not only infringing on client’s trademark, but also cybersquatting on confusingly similar marks—cases settled with defendants transferring domain names to plaintiff, along with other terms favorable to client
  • Represented defendant accused of trademark infringement—case settled early in discovery phase with plaintiff transferring domain names to the defendant

Practice Areas

  • Patent


  • William Mitchell College of Law, St Paul, Minnesota
    • J.D. – 2004
    • Honors: magna cum laude
    • Law Review: William Mitchell Law Review, Assistant Editor
  • Viterbo College
    • B.S., Chemistry – 1998
    • Honors: magna cum laude
  • University of Minnesota
    • M.S., Chemistry – 2001


  • Minnesota Super Lawyers® Rising Stars


  • “Patentability of Nature-Based Products Derived from Nature Sources,” South Dakota State University Lunch & Learn, Brookings, SD, April 2015


  • Patent Marking in the 21st Century: Virtual Marking, Ideas on Intellectual Property Law, August/September 2012
  • Aqueous photochemistry of triclosan: Formation of 2,4-dichlorophenol, 2,8-dichlorodibenzo-p-dioxin and oligomerization products, Environmental Toxicology and Chemistry, 2005, 24, 517-525. (
  • Photochemical Fate of Pharmaceuticals in the Environment: Cimetidine and Ranitidine,Environmental Science and Technology, 2003, 37, 3342-3350. (

Professional Associations

  • American Chemical Society
  • American Intellectual Property Law Association, Member
  • Minnesota Intellectual Property Law Association, Member
  • Minnesota State Bar Association, Member
  • Hennepin County Bar Association, Member

Bar Admissions

  • U.S. District Court District of Minnesota
  • U.S. Patent and Trademark Office
  • Minnesota Supreme Court
  • U.S. Court of Appeals 8th Circuit
  • U.S. District Court Western District of Wisconsin
  • Minnesota

Community Involvement 

  • American Chemical Society

Current Employment Position

  • Partner - Patent Attorney

Past Positions

  • Phillips Plastics Corporation, In-House Patent Liaison