Registered patent attorney
Hao Tan
Firm
Arch & Lake LLP
Address
203 N. LaSalle Street
Suite 2100
Chicago, IL, 60601
US
Phone
Registered as
Registered patent attorney
Other attorneys at Arch & Lake LLP
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 Hao Tan
Is Hao Tan a registered patent attorney?
Yes. Hao Tan is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 73711). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Hao Tan located?
Hao Tan's office is in Chicago, Illinois (60601). Affiliated with Arch & Lake LLP.
What firm does Hao Tan work at?
Hao Tan is listed as affiliated with Arch & Lake LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Hao Tan?
Hao Tan's office phone (per the USPTO public roster) is 312-375-9408. 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.