Registered patent attorney
David Mark O'Brian
Address
5007 Hartwell Drive
Houston, TX, 77084
US
Phone
Registered as
Registered patent attorney
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Frequently asked
Frequently asked about David Mark O'Brian
Is David Mark O'Brian a registered patent attorney?
Yes. David Mark O'Brian is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 37901). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is David Mark O'Brian located?
David Mark O'Brian's office is in Houston, Texas (77084).
How do I contact David Mark O'Brian?
David Mark O'Brian's office phone (per the USPTO public roster) is 281-345-2833. 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.