Registered patent attorney
John W. Downing
Firm
Kasowitz, Benson, Torres & Friedman, LLP
Address
333 Twin Dolphin Drive
Suite 200
Redwood Shores, CA, 94065
US
Phone
Registered as
Registered patent attorney
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Frequently asked
Frequently asked about John W. Downing
Is John W. Downing a registered patent attorney?
Yes. John W. Downing is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 60326). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is John W. Downing located?
John W. Downing's office is in Redwood Shores, California (94065). Affiliated with Kasowitz, Benson, Torres & Friedman, LLP.
What firm does John W. Downing work at?
John W. Downing is listed as affiliated with Kasowitz, Benson, Torres & Friedman, LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact John W. Downing?
John W. Downing's office phone (per the USPTO public roster) is 650-453-5170. 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.