Registered patent attorney
William L Johnson
Firm
DTS, Inc.
Address
5220 Las Virgenes Road
Calabasas, CA, 91302
US
Phone
Registered as
Registered patent attorney
Other attorneys at DTS, Inc.
Other patent attorneys in Calabasas, California
- Brian P. BoyceUSPTO Reg. 83823
- Chaney Edmund CieckUSPTO Reg. 52749
- Jeffrey N CutlerHarbor Freight Tools USA, Inc.
- Andrew W. HaysHarbor Freight Tools USA, Inc.
- Yanning JiangUSPTO Reg. 83495
- Douglas Norman LarsonUSPTO Reg. 29401
- George S MatulaUSPTO Reg. 51343
- Parag PatelUSPTO Reg. 50582
Frequently asked
Frequently asked about William L Johnson
Is William L Johnson a registered patent attorney?
Yes. William L Johnson is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 41876). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is William L Johnson located?
William L Johnson's office is in Calabasas, California (91302). Affiliated with DTS, Inc..
What firm does William L Johnson work at?
William L Johnson is listed as affiliated with DTS, Inc. on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact William L Johnson?
William L Johnson's office phone (per the USPTO public roster) is 818-436-1336. 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.