Registered patent attorney
John M Vassiliades
Firm
Ballard Spahr
Address
4800 Montgomery Lane
7th Floor
Bethesda, MD, 20814
US
Phone
Registered as
Registered patent attorney
Other attorneys at Ballard Spahr
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Frequently asked
Frequently asked about John M Vassiliades
Is John M Vassiliades a registered patent attorney?
Yes. John M Vassiliades is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 57382). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is John M Vassiliades located?
John M Vassiliades's office is in Bethesda, Maryland (20814). Affiliated with Ballard Spahr.
What firm does John M Vassiliades work at?
John M Vassiliades is listed as affiliated with Ballard Spahr on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact John M Vassiliades?
John M Vassiliades's office phone (per the USPTO public roster) is 301-664-6208. 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.