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State attorney guide

Trademark attorneys in Colorado

Compare 15 attorneys across Colorado, from highly rated practices to the complete statewide list.

Ranked by listed rating

Top picks in Colorado

  1. No. 1

    Ben Williams

    Littleton, CO 4.9 out of 5 (32)

    Ben Williams is a Littleton, Colorado patent attorney and founder of IP.Law, serving inventors, startups, and businesses with patent prosecution, trademarks, copyrights, trade secrets, licensing, and IP litigation and appeals.

    Strengths

    • Registered USPTO patent attorney with more than ten years prosecuting patents and more than 500 utility patents filed for clients.
    • Offers a broad IP service range, including patents, trademarks, copyrights, trade secrets, licensing, PTAB and TTAB proceedings, and federal litigation and appeals.
    • Serves individual inventors, startups, small businesses, corporations, and enterprises with in-person and virtual appointments.
    • Reviewers repeatedly praise responsiveness, clear process and cost explanations, and accessibility during multi-year patent matters.
    • Client feedback highlights successful outcomes with utility, design, software, and medical device patents, including difficult examiner situations.

    Considerations

    • One reviewer describes a design patent matter continuing for about three years without adequate updates.
    • That reviewer also objects to charges for status inquiries; other clients describe responsive assistance on patent matters.
  2. No. 2

    Santangelo & Ressue Law Offices, P.C.

    Fort Collins, CO 4.9 out of 5 (40)

    Santangelo & Ressue Law Offices, P.C. is a Fort Collins-based intellectual property law firm offering patent, trademark, copyright, trade secret, and IP litigation services to innovators and businesses nationwide.

    Strengths

    • Broad intellectual property practice covering patents, trademarks, copyrights, trade secrets, transactions, and litigation.
    • Established in 1991 and based in Fort Collins while serving clients nationwide and worldwide.
    • Holds a 4.9 rating from 40 reviews, indicating strong overall client satisfaction.
    • Reviewers frequently praise clear, plain-English explanations and responsive communication.
    • Experience with startups, entrepreneurs, established businesses, and complex IP disputes.

    Considerations

    • One reviewer raises complaints about billing, follow-up, and the care given to the representation.
    • Other clients praise practical business advice and understandable IP explanations, contrasting with that account.
  3. No. 3

    Trenner Law Firm, LLC

    Golden, CO 4.9 out of 5 (56)

    Trenner Law Firm, LLC is a Golden, Colorado patent and trademark practice led by USPTO-licensed attorney Mark Trenner, offering flat-fee IP services to inventors, entrepreneurs, and small businesses nationwide.

    Strengths

    • Flat-fee patent and trademark pricing with no hourly or administrative charges, and government fees stated separately
    • Free 15-minute strategy session to map out patent or trademark options before committing
    • Lead attorney combines electrical and environmental engineering credentials with 20+ years of IP practice, including senior patent counsel experience at NREL
    • Full lifecycle support spanning prior art searches, provisional and utility applications, PCT strategy, Office Action responses, trademark appeals, and Section 8 and 15 maintenance filings
    • Consistently praised for plain-English explanations and responsive communication, including outside standard business hours

    Considerations

    • At least one reviewer felt a provisional patent filing was overpriced relative to the work performed and that the timeline ran longer than expected
    • Patent prosecution timelines can extend across multiple years, as noted in a first-time filer's account
    • The practice operates largely remotely, with consultations and filings handled by phone, email, and online tools rather than in-person office visits
  4. No. 4

    Front Range Legal Services

    Broomfield, CO 4.8 out of 5 (15)

    Broomfield-based law firm offering business, intellectual property, trademark, patent, crypto, and technology-focused legal services for startups, established companies, and creators.

    Strengths

    • Offers broad business and intellectual property services, including trademarks, patents, copyrights, licensing, data privacy, crypto and blockchain law, civil litigation, and Colorado LLC formation.
    • Provides free consultation, attorney video consultation, and online filing or response options for several trademark, patent, LLC, and DMCA matters.
    • Reviewers frequently praise John Arsenault as patient, approachable, knowledgeable, and clear when explaining legal processes.
    • Clients repeatedly mention straightforward pricing and affordable, quick service for trademark, LLC, and business matters.
    • Firm emphasizes practical value, efficiency, senior attorney involvement, and understanding clients' business needs.

    Considerations

    • One reviewer describes a missed follow-up after an initial trademark consultation.
    • Other clients praise John Arsenault's patient explanations and straightforward pricing for trademarks and business services.
  5. No. 5

    Lyda Law Firm

    Denver, CO 4.8 out of 5 (156)

    Denver-based law firm offering flat-fee intellectual property, business, estate planning, real estate, litigation, and related legal services to individuals and businesses across multiple states.

    Strengths

    • Broad practice coverage that includes business, estate planning, real estate, intellectual property, mediation, nonprofit, civil litigation, securities, criminal defense, and entertainment/sports matters.
    • Flat-fee intellectual property services centered on trademark clearance, trademark registration, and related IP protection, backed by litigation experience.
    • Reviewers frequently commend attorneys for clear explanations, patience, responsiveness, and practical guidance during consultations.
    • Estate planning and probate clients often describe organized, empathetic support with trusts, wills, and probate steps.
    • Small-business clients value advice on formation, contracts, licensing, website language, insurance, and long-term legal strategy.

    Considerations

    • One person describes an unsatisfactory intake after a legal-insurance referral; Lyda disputes the referral record and apologizes for the confusion.
    • Other clients praise patient estate-planning explanations and practical business advice, contrasting with that initial-contact experience.

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