Registered patent attorney
Daniel T O'Brien
Address
2727 North Harwood Street
Dallas, TX, 75201-1515
US
Phone
Registered as
Registered patent attorney
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Frequently asked
Frequently asked about Daniel T O'Brien
Is Daniel T O'Brien a registered patent attorney?
Yes. Daniel T O'Brien is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 61713). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Daniel T O'Brien located?
Daniel T O'Brien's office is in Dallas, Texas (75201-1515).
How do I contact Daniel T O'Brien?
Daniel T O'Brien's office phone (per the USPTO public roster) is 214-969-5226. 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.