Registered patent agent
Weidan Fan
Firm
Leydig, Voit & Mayer, LTD
Address
Two Prudential Plaza
Suite 4900
Chicago, IL, 60601-6731
US
Phone
Registered as
Registered patent agent
Other attorneys at Leydig, Voit & Mayer, LTD
Other patent attorneys in Chicago, Illinois
- Lawrence H AaronsonMcDonnell Boehnen Hulbert & Berghoff LLP
- Dennis J AbdelnourHonigman LLP
- Holby Matthew AbernNeal, Gerber & Eisenberg LLP
- Cassandra L. AbernathyUSPTO Reg. 75330
- John AbramicSteptoe & Johnson LLP
- David Brian AbramowitzLocke Lord LLP
- Hugh A AbramsShook, Hardy & Bacon LLP
- Matthias AbrellMarshall Gerstein & Borun, LLP
Frequently asked
Frequently asked about Weidan Fan
Is Weidan Fan a registered patent attorney?
Weidan Fan is a registered patent agent (USPTO Registration Number 74304). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is Weidan Fan located?
Weidan Fan's office is in Chicago, Illinois (60601-6731). Affiliated with Leydig, Voit & Mayer, LTD.
What firm does Weidan Fan work at?
Weidan Fan is listed as affiliated with Leydig, Voit & Mayer, LTD on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Weidan Fan?
Weidan Fan's office phone (per the USPTO public roster) is 312-616-5749. 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.