Registered patent attorney
Patrick Duffy Richards
Firm
Much Shelist PC
Address
191 N. Wacker Dr.
Suite 1800
Chicago, IL, 60606
US
Phone
Registered as
Registered patent attorney
Other attorneys at Much Shelist PC
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 Patrick Duffy Richards
Is Patrick Duffy Richards a registered patent attorney?
Yes. Patrick Duffy Richards is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 48905). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Patrick Duffy Richards located?
Patrick Duffy Richards's office is in Chicago, Illinois (60606). Affiliated with Much Shelist PC.
What firm does Patrick Duffy Richards work at?
Patrick Duffy Richards is listed as affiliated with Much Shelist PC on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Patrick Duffy Richards?
Patrick Duffy Richards's office phone (per the USPTO public roster) is 312-521-2774. 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.