Registered patent attorney
Heather L Callahan
Address
2100 West Berry Ave, Unit 301
Littleton, CO, 80120
US
Phone
Registered as
Registered patent attorney
Other patent attorneys in Littleton, Colorado
- Randall S AsherRandall S. Asher, DDS, MS
- Jared A BarnardBarnard Law, LLC
- Robert J BowmanHubertus Law
- Thomas D BratschunSwanson and Bratschun LLC
- James Lawrence BrownSwanson & Bratschun LLC
- Sarah E. CassinisQuarles
- Bryan D. A. CaylorUSPTO Reg. 65603
- Mark I. CrohnUSPTO Reg. 40573
Frequently asked
Frequently asked about Heather L Callahan
Is Heather L Callahan a registered patent attorney?
Yes. Heather L Callahan is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 43524). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Heather L Callahan located?
Heather L Callahan's office is in Littleton, Colorado (80120).
How do I contact Heather L Callahan?
Heather L Callahan's office phone (per the USPTO public roster) is 413-824-2208. Verify availability and intake details directly with the firm before sending privileged materials.
Should I prepare anything before contacting a patent attorney?
Yes — most patent attorneys quote based on a brief. Persoona's intellectual property module generates a prior-art analysis, defensibility scorecard, and a draft USPTO filing package so you arrive with a brief, not a blank slate. Free to run.
Profile sourced from the USPTO OEDCI Practitioner Roster. Persoona did not provide, edit, or curate this data — every field is pulled directly from the public roster.