ZIP 80120

Patent attorneys in ZIP code 80120 · Colorado

ZIP code 80120 in Colorado has 17 USPTO-registered patent practitioners listed at addresses inside the ZIP. Every practitioner shown holds an active license to practice before the US Patent and Trademark Office. Local offices include Swanson & Bratschun, LLC and Barnard Law, LLC.

All practitioners

Jared A Barnard

Reg. 71416
Patent attorney

Barnard Law, LLC

Littleton, CO · 80120

720-577-5449

Thomas D Bratschun

Reg. 32966
Patent attorney

Swanson and Bratschun LLC

Littleton, CO · 80120

303-268-0066

James Lawrence Brown

Reg. 48576
Patent attorney

Swanson & Bratschun LLC

Littleton, CO · 80120

303-268-0066

Heather L Callahan

Reg. 43524
Patent attorney

Littleton, CO · 80120

413-824-2208

Sarah E. Cassinis

Reg. 73011
Patent attorney

Quarles

Littleton, CO · 80120

303-268-0066

Bryan D. A. Caylor

Reg. 65603
Patent attorney

Littleton, CO · 80120

303-794-5814

Mark I. Crohn

Reg. 40573
Patent attorney

Littleton, CO · 80120

425-298-7710

Brian C Gibson

Reg. 66169
Patent attorney

Gibson 4 Law

Littleton, CO · 80120

310-941-0721

Nellie Clare Kaufman

Reg. 34689
Patent attorney

Littleton, CO · 80120

303-730-8258

Rosemary P Kellogg

Reg. 39726
Patent attorney

Swanson & Bratschun, LLC

Littleton, CO · 80120

303-268-0066

Katherine E. Lobel-Rice

Reg. 58079
Patent attorney

Swanson & Bratschun, L.L.C.

Littleton, CO · 80120

303-268-0066

Kathryn L. Madison

Reg. 80992
Patent agent

Husch Blackwell

Denver, CO · 80120

303-749-7262

John Henry Muetterties

Reg. 30301
Patent attorney

Littleton, CO · 80120

303-522-3637

Barry James Swanson

Reg. 33215
Patent attorney

Swanson & Bratschun L.L.C.

Littleton, CO · 80120

303-268-0066

Benjamin F. Williams

Reg. 70416
Patent attorney

Williams Intellectual Property

Littleton, CO · 80120

720-328-5343

Daniel Shaw Young

Reg. 48277
Patent attorney

Swanson & Bratschun, LLC

Littleon, CO · 80120

303-268-0066

Yutong Zhang

Reg. 800011
Limited recognition

Quarles & Brady LLP

Littleton, CO · 80120

303-268-0066

Common questions

Do patent attorneys in ZIP 80120 cost more than the national average?
Patent attorney fees vary primarily by experience and complexity of the invention, not by city. A typical provisional patent application in the US runs $1,500 to $5,000; a non-provisional utility filing runs $5,000 to $15,000. Hourly rates in ZIP 80120 tend to track the broader Colorado legal market.
How many USPTO practitioners list a ZIP 80120 office?
17 USPTO-registered patent practitioners list a ZIP 80120 mailing address on the OEDCI roster. You can sort by firm size and contact each directly using the phone numbers shown.
Can I work with a ZIP 80120 practitioner remotely?
Yes. All filings happen through USPTO's electronic Patent Center — no in-person presence is required. A ZIP 80120-based practitioner is convenient for local inventor signings and in-person meetings but not a requirement for representation.
build 4315ed5 · 2026-05-22 17:55 EDT