Registered patent attorney
Jeffrey E. Lassen
Firm
Kilpatrick, Townsend and Stockton, LLP
Address
1400 Wewatta St
Suite 600
Denver, CO, 80202
US
Phone
Registered as
Registered patent attorney
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Frequently asked
Frequently asked about Jeffrey E. Lassen
Is Jeffrey E. Lassen a registered patent attorney?
Yes. Jeffrey E. Lassen is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 79561). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Jeffrey E. Lassen located?
Jeffrey E. Lassen's office is in Denver, Colorado (80202). Affiliated with Kilpatrick, Townsend and Stockton, LLP.
What firm does Jeffrey E. Lassen work at?
Jeffrey E. Lassen is listed as affiliated with Kilpatrick, Townsend and Stockton, LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Jeffrey E. Lassen?
Jeffrey E. Lassen's office phone (per the USPTO public roster) is 303-607-3253. 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.