Registered patent agent
Douglas J Winkler
Firm
SEAGER, TUFTE & WICKHEM, LLP
Address
100 South 5th Street
Suite 600
Minneapolis, MN, 55402
US
Phone
Registered as
Registered patent agent
Other attorneys at SEAGER, TUFTE & WICKHEM, LLP
Other patent attorneys in Minneapolis, Minnesota
- Ross A AbbeyRobins, Kaplan, Miller & Ciresi L.L.P.
- Mark B. AbbottAbbott Systems, Inc.
- James H AckleyCantel Medical
- Matthew W AdamsMRG IP LAW, P.A. DBA Mueting Raasch Group
- John W AlbrechtMedtronic, Inc.
- Philip E. AlfordSchwegman Lundberg & Woessner, P.A.
- Jeffer AliCarlson, Caspers, Vandenburgh, Lindquist & Schuman, P.A.
- Larina A. AltonLewis Brisbois Bisgaard & Smith LLP
Frequently asked
Frequently asked about Douglas J Winkler
Is Douglas J Winkler a registered patent attorney?
Douglas J Winkler is a registered patent agent (USPTO Registration Number 64550). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is Douglas J Winkler located?
Douglas J Winkler's office is in Minneapolis, Minnesota (55402). Affiliated with SEAGER, TUFTE & WICKHEM, LLP.
What firm does Douglas J Winkler work at?
Douglas J Winkler is listed as affiliated with SEAGER, TUFTE & WICKHEM, LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Douglas J Winkler?
Douglas J Winkler's office phone (per the USPTO public roster) is 612-677-9050. 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.