Registered patent attorney
Sylvan Addink
Address
P O Box 1457
Iowa City, IA, 52244
US
Phone
Registered as
Registered patent attorney
Other patent attorneys in Iowa City, Iowa
- Sara K ConradUSPTO Reg. 77917
- Matthew W. CoryellUSPTO Reg. 69089
- Henry L KeenUSPTO Reg. 70547
- Marie C KerbeshianUniversity of Iowa
- Alison L. LetcherACT Education Corp.
- June Tsu-Ain TaiUniversity of Iowa College of Law
- John B TreangenTreangen Intellectual Property Law, PLC
Frequently asked
Frequently asked about Sylvan Addink
Is Sylvan Addink a registered patent attorney?
Yes. Sylvan Addink is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 52540). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Sylvan Addink located?
Sylvan Addink's office is in Iowa City, Iowa (52244).
How do I contact Sylvan Addink?
Sylvan Addink's office phone (per the USPTO public roster) is 319-351-4168. 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.