Registered patent attorney
David Hadi Youssefi
Firm
Sony Online Entertainment LLC
Address
8928 Terman Court
San Diego, CA, 92121
US
Phone
Registered as
Registered patent attorney
Other patent attorneys in San Diego, California
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- Rita A AbbatiUSPTO Reg. 50715
- James J AburtoUSPTO Reg. 58119
- Nathan C. AckermannUSPTO Reg. 84527
- Brian S AdamsQUALCOMM Incorporated
- Raj J AdvaniWilson, Sonsini, Goodrich, and Rosati
- Prem AdvaniUSPTO Reg. 52542
- Sejin Q AhnNeurocrine Biosciences, Inc.
Frequently asked
Frequently asked about David Hadi Youssefi
Is David Hadi Youssefi a registered patent attorney?
Yes. David Hadi Youssefi is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 44002). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is David Hadi Youssefi located?
David Hadi Youssefi's office is in San Diego, California (92121). Affiliated with Sony Online Entertainment LLC.
What firm does David Hadi Youssefi work at?
David Hadi Youssefi is listed as affiliated with Sony Online Entertainment LLC on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact David Hadi Youssefi?
David Hadi Youssefi's office phone (per the USPTO public roster) is 858-577-3338. 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.