Registered patent attorney
Joseph P Helgeson
Address
3918 Franklin Street
La Crescenta, CA, 91214
US
Phone
Registered as
Registered patent attorney
Other patent attorneys in La Crescenta, California
- Lena A BasileNeumedicines, LLC
- Michelle BiglarianUSPTO Reg. 72987
- James E CurryThe Law Offices of James E. Curry
- Daniel C. FullertonUSPTO Reg. 69773
- Griffin S. LeeThe Law Office of Griffin Lee, APC
- Joshua C WadeUSPTO Reg. 70790
- Hee Sung YoonUSPTO Reg. 57278
Frequently asked
Frequently asked about Joseph P Helgeson
Is Joseph P Helgeson a registered patent attorney?
Yes. Joseph P Helgeson is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 71469). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Joseph P Helgeson located?
Joseph P Helgeson's office is in La Crescenta, California (91214).
How do I contact Joseph P Helgeson?
Joseph P Helgeson's office phone (per the USPTO public roster) is 949-205-9751. 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.