Registered patent attorney
John K Williamson
Firm
K&L Gates LLP
Address
K&L Gates Center
210 Sixth Ave
Pittsburgh, PA, 15222-2613
US
Phone
Registered as
Registered patent attorney
Other attorneys at K&L Gates LLP
- Lannah S. AbasiUSPTO Reg. 84059 · Irvine, CA
- Hasan AlmashatUSPTO Reg. 79166 · Palo Alto, CA
- Joshua N AndrewsUSPTO Reg. 79215 · Boston, MA, MA
- Robert M BarrettUSPTO Reg. 30142 · Chicago, IL
- Alan L BarryUSPTO Reg. 30819 · Chicago, IL
- Robert J. BarzUSPTO Reg. 74363 · Chicago, IL
- Thomas C BassoUSPTO Reg. 46541 · Chicago, IL
- Michelle G BergmanUSPTO Reg. 54124 · Irvine, CA
Other patent attorneys in Pittsburgh, Pennsylvania
- Daniel C AbelesEckert Seamans Cherin & Mellott, LLC
- Gwendolyn R Acker-WoodAcker Wood Intellectual Property Law LLC
- John M AdamsPrice & Adams, P.C.
- Gunjan AgarwalEaton Corporation
- Brij K AgarwalEckert Seamans Cherin & Mellott, LLC
- Godfried R AkorliUSPTO Reg. 28779
- Michael Paul AlexanderUSPTO Reg. 50961
- Ali H AllawiArgo AI
Frequently asked
Frequently asked about John K Williamson
Is John K Williamson a registered patent attorney?
Yes. John K Williamson is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 27845). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is John K Williamson located?
John K Williamson's office is in Pittsburgh, Pennsylvania (15222-2613). Affiliated with K&L Gates LLP.
What firm does John K Williamson work at?
John K Williamson is listed as affiliated with K&L Gates LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact John K Williamson?
John K Williamson's office phone (per the USPTO public roster) is 412-355-6438. 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.