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Registered patent agent
Brianna C De Frank
Firm
Barnes & Thornburg LLP
Address
1 N Wacker
Chicago, IL, 60606
US
Phone
Registered as
Registered patent agent
Other attorneys at Barnes & Thornburg LLP
- Bradford Gene AddisonUSPTO Reg. 41486 · Indianapolis, IN
- Daniel P AlbersUSPTO Reg. 44008 · Chicago, IL
- Brian S. AuerbachUSPTO Reg. 72166 · Wilmington, DE
- Rebecca Lynn BallUSPTO Reg. 46535 · Indianapolis, IN
- Shawn D BauerUSPTO Reg. 41603 · Indianapolis, IN
- Christina M. BaughUSPTO Reg. 73040 · Atlanta, GA
- Laryssa M. BedleyUSPTO Reg. 82968 · Chicago, IL
- Jason A. BernsteinUSPTO Reg. 31236 · Atlanta, GA
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 Brianna C De Frank
Is Brianna C De Frank a registered patent attorney?
Brianna C De Frank is a registered patent agent (USPTO Registration Number 82200). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is Brianna C De Frank located?
Brianna C De Frank's office is in Chicago, Illinois (60606). Affiliated with Barnes & Thornburg LLP.
What firm does Brianna C De Frank work at?
Brianna C De Frank is listed as affiliated with Barnes & Thornburg LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Brianna C De Frank?
Brianna C De Frank's office phone (per the USPTO public roster) is 312-214-8800. 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.