Eric Sidler is an accomplished intellectual property litigator and trusted strategic advisor, representing clients from emerging innovators to established global brands. He partners closely with each client—taking the time to understand their business, priorities, and goals—so he can deliver tailored legal strategies that align not only with their immediate needs but also with their broader commercial objectives.

Eric is known for his tenacious advocacy, clear communication, and client‑first approach, treating each client’s challenges as his own. Clients trust him not only for his courtroom skill but also for his ability to provide candid, practical guidance at every stage of a dispute.

Intellectual Property Litigation & Counseling

A seasoned advocate, Eric focuses his practice on complex intellectual property litigation, where he represents clients through trial and appeal in high‑stakes disputes involving:

  • Patents
  • Trademarks
  • Copyrights
  • Trade secrets
  • False advertising 
  • Domain names

He litigates IP cases in federal courts across the United States, as well as opposition and cancellation proceedings before the Trademark Trial and Appeal Board (TTAB), post-grant proceedings before the Patent Trial and Appeal Board (PTAB), and Section 337 investigations before the U.S. International Trade Commission (ITC).

Eric also provides strategic counseling on:

  • Brand selection, clearance & registration
  • Copyright and trademark portfolio development
  • IP licensing negotiations
  • IP enforcement programs and strategies

His clients span numerous industries, including consumer goods, retail, entertainment, publishing, financial services, agribusiness, transportation, and manufacturing.

Broad Litigation Experience

Beyond IP, Eric brings significant experience in complex commercial disputes, including:

  • Insurance coverage litigation
  • Employment and restrictive covenant matters
  • Shareholder and governance disputes
  • Contract disputes
  • Business tort claims

This breadth gives him a uniquely holistic perspective—allowing him to understand the business implications of litigation, identify pressure points, and craft strategies that serve both short‑term litigation goals and long‑term client objectives.

Eric draws on his clerkship with Judge Lynn J. Bush of the U.S. Court of Federal Claims, which provided valuable insight into judicial reasoning, federal procedure, and IP disputes involving the United States. This background informs his meticulous, judge‑focused style and enhances his ability to craft persuasive arguments rooted in procedural and substantive strengths.