Registered patent attorney

William L Bartow

USPTO Reg. 54981

Firm

DLA Piper US LLP

Address

One Liberty Place

1650 Market Street, Suite 4900

Philadelphia, PA, 19103

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about William L Bartow

  • Is William L Bartow a registered patent attorney?

    Yes. William L Bartow is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 54981). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is William L Bartow located?

    William L Bartow's office is in Philadelphia, Pennsylvania (19103). Affiliated with DLA Piper US LLP.

  • What firm does William L Bartow work at?

    William L Bartow is listed as affiliated with DLA Piper US LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact William L Bartow?

    William L Bartow's office phone (per the USPTO public roster) is 215-656-2458. 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.

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