Registered patent attorney
Larry E Altenbrun
Firm
Cozen and O'Connor
Address
1201 Third Ave Ste 5200
Seattle, WA, 98101
US
Phone
Registered as
Registered patent attorney
Other patent attorneys in Seattle, Washington
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- Leslie E AbermanUSPTO Reg. 54836
- Frank AbramonteCozen O'Connor
- Scott S AdamsDavis Wright Tremaine LLP
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- Jonathan T. AdessaUSPTO Reg. 76112
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Frequently asked
Frequently asked about Larry E Altenbrun
Is Larry E Altenbrun a registered patent attorney?
Yes. Larry E Altenbrun is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 48323). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Larry E Altenbrun located?
Larry E Altenbrun's office is in Seattle, Washington (98101). Affiliated with Cozen and O'Connor.
What firm does Larry E Altenbrun work at?
Larry E Altenbrun is listed as affiliated with Cozen and O'Connor on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Larry E Altenbrun?
Larry E Altenbrun's office phone (per the USPTO public roster) is 206-340-1000. 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.