Registered patent attorney
David D Headrick
Firm
McAndrews, Held & Malloy, Ltd.
Address
500 West Madison Street
34th Floor
Chicago, IL, 60661
US
Phone
Registered as
Registered patent attorney
Other attorneys at McAndrews, Held & Malloy, Ltd.
- Maurie G BakerUSPTO Reg. 56090 · Chicago, IL
- Dunstan H BarnesUSPTO Reg. 78560 · Chicago, IL
- Samuel Thomas HowardUSPTO Reg. 77688 · Chicago, IL
- Andrew B KarpUSPTO Reg. 61586 · Chicago, IL
- Jae Hu KimUSPTO Reg. 59648 · Chicago, IL
- Matthew E. MarroneUSPTO Reg. 68431 · Chicago, IL
- Edward Anthony MasUSPTO Reg. 37179 · Chicago, IL
- Paul W McAndrewsUSPTO Reg. 62966 · 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 D Headrick
Is David D Headrick a registered patent attorney?
Yes. David D Headrick is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 40642). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is David D Headrick located?
David D Headrick's office is in Chicago, Illinois (60661). Affiliated with McAndrews, Held & Malloy, Ltd..
What firm does David D Headrick work at?
David D Headrick is listed as affiliated with McAndrews, Held & Malloy, Ltd. on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact David D Headrick?
David D Headrick's office phone (per the USPTO public roster) is 312-775-8000. 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.