Registered patent attorney
David R. Grosby
Firm
Lee Sullivan Shea & Smith LLP
Address
656 West Randolph Street
Ste 5W
Chicago, IL, 60661
US
Phone
Registered as
Registered patent attorney
Other attorneys at Lee Sullivan Shea & Smith LLP
- Michael P BoyeaUSPTO Reg. 70248 · Chicago, IL
- Andrew G GerlaUSPTO Reg. 68760 · Chicago, IL
- Dennis G. KapolnekUSPTO Reg. 68541 · Chicago, IL
- Brandon J KennedyUSPTO Reg. 67894 · Chicago, IL
- Scott M MillerUSPTO Reg. 62967 · Chicago, IL
- Dallin W. PackardUSPTO Reg. 81817 · Chicago, IL
- Jaeyoung PakUSPTO Reg. 72428 · Chicago, IL
- Cole Bradley RichterUSPTO Reg. 65398 · Chicago, IL
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 David R. Grosby
Is David R. Grosby a registered patent attorney?
Yes. David R. Grosby is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 75912). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is David R. Grosby located?
David R. Grosby's office is in Chicago, Illinois (60661). Affiliated with Lee Sullivan Shea & Smith LLP.
What firm does David R. Grosby work at?
David R. Grosby is listed as affiliated with Lee Sullivan Shea & Smith LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact David R. Grosby?
David R. Grosby's office phone (per the USPTO public roster) is 312-754-9423. 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.