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Heather N. Tilley


Heather is a litigation associate in the firm's Denver Office and focuses her practice on complex business and intellectual property litigation matters with an emphasis on patent infringement as well as other types of intellectual property, including trademark, copyright, and trade secret.  She also routinely assists clients with intellectual property protection and enforcement strategies.


She has experience in litigating complex intellectual property matters and business disputes in federal and state courts, the US Patent and Trademark Office, and private arbitration. Heather regularly handles disputes related to patent, trademark, and copyright claims, ranging from breach of license agreements to ownership and authorship disputes to infringement of intellectual property rights.  Heather also handles disputes related to trade secret misappropriation, false advertising, unfair competition, and breach of contract claims. 


Heather provides counsel to her clients with a unique blend of legal, engineering, and accounting expertise, and is well-versed in the structures and needs of businesses.  In addition to handling litigation, Heather frequently advises clients on intellectual property issues including avoidance of third-party rights, assessment of the nature, scope, and value of IP portfolios, strategies for generating revenue through licensing and litigation, and managing enforcement and licensing programs. 


From industry leaders to innovative startups, Heather handles matters across a wide range of areas, including biotechnology, biomedical devices, fashion and apparel design and manufacturing, toys and games, robotics, semiconductor processing, software, agriculture, publishing, restaurants, cosmetics, dietary supplements and tinctures, hemp, cannabis, music, fitness and personal wellness, renewable energy, internet-based technologies, and data management and licensing. 


Heather has litigated intellectual property and commercial dispute matters in courts throughout the country, including in the US District Courts for Colorado, the District of Delaware, and the Northern District of California.  Heather has also represented clients before the United States Patent and Trademark Office as well as the Trademark and Patent Trial and Appeal Boards.

  • TTAB Proceeding: Representation of a fabric technology company in trademark opposition and cancellation proceedings before the Trademark Trial and Appeal Board
  • Intellectual Property Litigation: Representation of a shoe company in defense against trade secret misappropriation and design patent, trade dress, and trademark infringement claims asserted against clogs.  (Colorado Federal District Court)
  • TTAB Proceeding: Representation of a fitness and wellness company in cancellation proceeding before the Trademark Trial and Appeal Board
  • Patent Infringement Litigation: Representation of a fabric technology company in patent infringement lawsuit involving performance apparel (Colorado Federal District Court)
  • Patent Infringement Litigation: Representation of a public utility in patent infringement lawsuit involving hydronic heating and cooling systems (Colorado Federal District Court)
  • Patent Prosecution: Representation of children’s apparel company in prosecution of design patent for infant accessories  (USPTO)
  • Patent Infringement Litigation: Representation of a medical device company in patent infringement lawsuits involving medical implant devices (Delaware Federal District Court)
  • Domain Name Dispute: Representation of an online retail company in ICANN arbitration involving domain squatting (UDPR) 
  • Commercial Litigation.  Representation of a fitness apparel company in breach of contract lawsuit involving international supplier and shipping agreement  (Denver District Court)
  • Copyright Litigation:  Representation of a plush toy company in copyright infringement lawsuit involving animal pillow designs  (Colorado Federal District Court)
  • Intellectual Property Litigation:  Representation of a real estate company in defense against trade secret misappropriation and copyright and trademark infringement claims involving ownership of website design and content (Colorado Federal District Court)
  • Trademark Litigation: Representation of an aquatic apparel company in trademark infringement lawsuit involving mermaid tails  (Colorado Federal District Court)
  • Copyright: Representation of a home goods company in registration of copyright registration for sculptural work involving appeal of refused application on grounds of lack of copyrightable subject matter (U.S. Copyright Office)
  • Patent Prosecution:  Representation of a personal wellness company in prosecution of patents for lubricant composition and methods of use (USPTO)
  • Patent Prosecution:  Representation of a musical instrument company in prosecution of patents for musical devices (USPTO)
  • Trademark Prosecution:  Representation of a graphic design company in prosecution of trademarks for website design services (USPTO)
  • False Advertising Dispute: Representation of an energy drink company in dispute involving false advertising and trademark infringement claims
  • Copyright Dispute: Representation of software developer in contract dispute involving ownership of software and generated data