Registered patent agent
Daniel S Castro
Firm
Shumaker & Sieffert, P.A.
Address
1625 Radio Dr. Suite 300
Woodbury, MN, 55125
US
Phone
Registered as
Registered patent agent
Other attorneys at Shumaker & Sieffert, P.A.
- Padraigin L BrowneUSPTO Reg. 67313 · Woodbury, MN
- Michael A. BuschbachUSPTO Reg. 66307 · Woodbury, MN
- Guanyao ChengUSPTO Reg. 58555 · Woodbury, MN
- Brian R DawleyUSPTO Reg. 64761 · Woodbury, MN
- Shivam DesaiUSPTO Reg. 82534 · Woodbury, MN
- Bryan G DobbsUSPTO Reg. 68213 · St. Paul, MN
- Bryan F EricksonUSPTO Reg. 51655 · St. Paul, MN
- Nathan J. FasbenderUSPTO Reg. 84181 · Woodbury, MN
Other patent attorneys in Woodbury, Minnesota
- Gregory D AllenUSPTO Reg. 35048
- Corazon Cris BrizuelaUSPTO Reg. 39919
- Claire T. EdlebeckShumaker and Sieffert, P.A.
- Kelly Patrick FitzgeraldShumaker & Sieffert
- Matthew K GageShumaker & Sieffert, P.A.
- Hal Sanders GwinShumaker & Sieffert, P.A.
- Jacob A. HaleUSPTO Reg. 83120
- Qiang HanUSPTO Reg. 77125
Frequently asked
Frequently asked about Daniel S Castro
Is Daniel S Castro a registered patent attorney?
Daniel S Castro is a registered patent agent (USPTO Registration Number 60359). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is Daniel S Castro located?
Daniel S Castro's office is in Woodbury, Minnesota (55125). Affiliated with Shumaker & Sieffert, P.A..
What firm does Daniel S Castro work at?
Daniel S Castro is listed as affiliated with Shumaker & Sieffert, P.A. on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Daniel S Castro?
Daniel S Castro's office phone (per the USPTO public roster) is 651-735-1100. 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.