Limited recognition
Zhangyuan Ji
Firm
Arch & Lake LLP
Address
203 N LaSalle St
Suite 2100
Chicago, IL, 60601
US
Phone
Registered as
Limited recognition
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 Zhangyuan Ji
Is Zhangyuan Ji a registered patent attorney?
Zhangyuan Ji is registered with the United States Patent and Trademark Office under Registration Number 800046 as a USPTO-registered practitioner.
Where is Zhangyuan Ji located?
Zhangyuan Ji's office is in Chicago, Illinois (60601). Affiliated with Arch & Lake LLP.
What firm does Zhangyuan Ji work at?
Zhangyuan Ji is listed as affiliated with Arch & Lake LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Zhangyuan Ji?
Zhangyuan Ji's office phone (per the USPTO public roster) is 773-680-9572. 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.