Registering a trademark, prosecuting a patent, defending an infringement claim, or licensing brand or technology to a partner? These Denver IP firms handle the full lifecycle of intellectual property — filing, enforcement, and the inevitable Office Action responses.
Updated 2026-03-15
Denver is not a coastal patent hub, but it is one of the most underrated IP markets in the country. The federal Tenth Circuit sits in Denver, the Denver IRS office is across the street from the federal courthouse where IP cases get tried, and the University of Colorado Boulder spins out a steady stream of biotech and aerospace companies that need patent, trademark, and licensing work from day one. Kilpatrick Townsend & Stockton has its largest western-region IP team in Denver. Smaller firms like Leyendecker & Lemire and Reilly IP have served Front Range entrepreneurs for two decades. Trademark-only boutiques like Williams Law focus exclusively on brand protection for online businesses.
Most Denver businesses need IP work in three contexts. Brand protection — federal trademark registration with the USPTO (about $250–$350 government fee per class), opposition or cancellation proceedings before the Trademark Trial and Appeal Board, and enforcement against infringers via cease-and-desist letters or federal lawsuits in the District of Colorado. Patent work — provisional and non-provisional utility filings (only USPTO-registered patent attorneys can do this), design patents, prosecution through Office Actions, and freedom-to-operate analyses for new products. Transactional IP — licensing agreements, IP assignments at company sale, IP carve-outs in joint ventures, and the standard IP-assignment paperwork every Denver startup needs employees and contractors to sign.
One Denver-specific consideration: Colorado is a leading market for cannabis, ski, and outdoor-brand trademarks. The USPTO will not register marks for federally-illegal cannabis goods, which means Colorado cannabis brands often build their trademark strategy on common-law rights, state-level filings, and ancillary-goods registrations. A Denver IP lawyer who knows this market can save a young brand the cost of a rejected application and a confusing rebranding.
Practice focus: Patent prosecution and litigation, trademark portfolio management, IP licensing, trade secret protection. Tier-1 ranked in IP by U.S. News and the only Colorado IP firm top-ranked by Chambers USA. Common counsel for venture-backed Colorado tech and biotech companies.
Practice focus: Patent and trademark prosecution and enforcement for small businesses, entrepreneurs, and independent inventors. Over 60 years of combined IP experience. Strong fit when you need a registered patent attorney without BigLaw rates.
Practice focus: Full-service IP — patent, trademark, copyright, licensing — for clients nationwide. Headed by Ellen Reilly, registered patent attorney with 18+ years of practice. Frequent presenter on IP basics for Denver entrepreneurs.
Practice focus: Trademark, copyright, patent prosecution and IP litigation. Mid-sized Denver firm with full-service capability — IP cases that grow into commercial-litigation or franchise disputes stay with the same team.
Practice focus: Modern firm protecting business, brand, and intellectual property nationally — trademark registration, IP enforcement, brand-protection counsel. Also handles related business formation and contracts for online-first Denver businesses.
Practice focus: Patent and trademark filings for Colorado entrepreneurs at lower price points than full-service firms. Good fit for first patent or trademark application where budget matters.
Ranges from real Denver IP firms, current to 2026. USPTO government fees pass through at cost.
Attorney work + USPTO filing fee ($250–$350). Add $250–$350 per additional class.
Most TM applications get at least one Office Action. Cost depends on the issue.
Full TTAB proceeding through trial. Most settle before reaching that stage.
12-month placeholder. Files into a non-provisional within one year or rights are lost.
Drafting through filing. Office Actions and prosecution add $3,000–$10,000.
Visual design protection. Much cheaper than utility, narrower in scope.
Often resolves an infringement claim without litigation.
Federal court patent and trademark cases. Hourly thereafter; some cases qualify for fee-shifting.
Typical IP timelines in Denver from engagement to outcome.
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