Registered patent attorney
Donald J Fitzpatrick
Firm
Greensfelder
Address
10 S. Broadway Ste. 2000
Saint Louis, MO, 63102
US
Phone
Registered as
Registered patent attorney
Other patent attorneys in Saint Louis, Missouri
- Bruce T AtkinsArmstrong Teasdale LLP
- Alyson S. BeldonAir Products and Chemicals, Inc.
- Rita E. BleserUSPTO Reg. 67965
- John M BodenhausenUnited States District Court-
- Edward A BoeschensteinPolster Lieder Woodruff & Lucchesi LC
- Elizabeth A BogosianUSPTO Reg. 39911
- Randolph H. BrettonThe Law Offices of Randolph Bretton
- Ronald Alan BurchettNestle Purina
Frequently asked
Frequently asked about Donald J Fitzpatrick
Is Donald J Fitzpatrick a registered patent attorney?
Yes. Donald J Fitzpatrick is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 25553). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Donald J Fitzpatrick located?
Donald J Fitzpatrick's office is in Saint Louis, Missouri (63102). Affiliated with Greensfelder.
What firm does Donald J Fitzpatrick work at?
Donald J Fitzpatrick is listed as affiliated with Greensfelder on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Donald J Fitzpatrick?
Donald J Fitzpatrick's office phone (per the USPTO public roster) is 314-516-4715. 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.