Registered patent attorney
Chad A Diehl
Firm
Mayer Brown LLP
Address
71 South Wacker Drive
Chicago, IL, 60606
US
Phone
Registered as
Registered patent attorney
Other attorneys at Mayer Brown LLP
- Canek AcostaUSPTO Reg. 68843 · Washington, DC
- William J BarrowUSPTO Reg. 62813 · 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
- Jennifer L DzwonczykUSPTO Reg. 41146 · Washington, DC
- Alison T. GelsleichterUSPTO Reg. 63225 · Washington, DC
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 Chad A Diehl
Is Chad A Diehl a registered patent attorney?
Yes. Chad A Diehl is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 64763). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Chad A Diehl located?
Chad A Diehl's office is in Chicago, Illinois (60606). Affiliated with Mayer Brown LLP.
What firm does Chad A Diehl work at?
Chad A Diehl is listed as affiliated with Mayer Brown LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Chad A Diehl?
Chad A Diehl's office phone (per the USPTO public roster) is 312-701-8022. 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.