Registered patent agent
Erik P Johnson
Firm
Doubloon Diagnostic Consulting
Address
3460 Marron Rd
Suite 103-196
Oceanside, CA, 92056
US
Phone
Registered as
Registered patent agent
Other patent attorneys in Oceanside, California
- Cy J BatesCoastal Patent Law Group, PC
- Tiffany M BaughmanUSPTO Reg. 57587
- William J CampbellWilliam J. Campbell, Esq.
- Don EricksonLaw Office
- Matthew GerpheideUSPTO Reg. 79304
- Daniel T HamlingUSPTO Reg. 71466
- Richard Thomas ItoNitto Denko Technical Corporation
- N Paul KlaasUSPTO Reg. 25733
Frequently asked
Frequently asked about Erik P Johnson
Is Erik P Johnson a registered patent attorney?
Erik P Johnson is a registered patent agent (USPTO Registration Number 56382). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is Erik P Johnson located?
Erik P Johnson's office is in Oceanside, California (92056). Affiliated with Doubloon Diagnostic Consulting.
What firm does Erik P Johnson work at?
Erik P Johnson is listed as affiliated with Doubloon Diagnostic Consulting on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Erik P Johnson?
Erik P Johnson's office phone (per the USPTO public roster) is 858-245-7923. 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.