Registered patent attorney
William J Barrow
Firm
Mayer Brown LLP
Address
1999 K Street, NW
Washington, DC, 20006
US
Phone
Registered as
Registered patent attorney
Other attorneys at Mayer Brown LLP
- Canek AcostaUSPTO Reg. 68843 · Washington, DC
- Amanda Streff BonnerUSPTO Reg. 65224 · Chicago, IL
- Seth W. BruneelUSPTO Reg. 78973 · Washington, DC
- Nicholas H. CiullaUSPTO Reg. 78409 · Chicago, IL
- Courtney Elizabeth CroninUSPTO Reg. 76847 · Chicago, IL
- Chad A DiehlUSPTO Reg. 64763 · Chicago, IL
- Jennifer L DzwonczykUSPTO Reg. 41146 · Washington, DC
- Alison T. GelsleichterUSPTO Reg. 63225 · Washington, DC
Other patent attorneys in Washington, District of Columbia
- Alisa S AbbottBanner Witcoff
- Ahmed Abdel-RahmanPillsbury Winthrop Shaw Pittman LLP
- Margaret A AbernathyBaker & Hostetler LLP
- Michael T. AbramsonJordan IP Law
- Khadija Abdulkadir AbuHoward University School of Law
- Deepa AcharyaQuinn Emanuel UrQuhart & Sullivan LLP
- Stephanie N. AdamakosPaul Hastings LLP
- Christopher W AdamsSquire Patton Boggs (US) LLP
Frequently asked
Frequently asked about William J Barrow
Is William J Barrow a registered patent attorney?
Yes. William J Barrow is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 62813). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is William J Barrow located?
William J Barrow's office is in Washington, District of Columbia (20006). Affiliated with Mayer Brown LLP.
What firm does William J Barrow work at?
William J Barrow is listed as affiliated with Mayer Brown LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact William J Barrow?
William J Barrow's office phone (per the USPTO public roster) is 202-263-3154. 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.