Registered patent attorney
Catherine A. Callahan
Firm
Faegre Drinker Biddle & Reath
Address
300 N Meridian St.
Suite 2500
Indianapolis, IN, 46204
US
Phone
Registered as
Registered patent attorney
Other attorneys at Faegre Drinker Biddle & Reath
Other patent attorneys in Indianapolis, Indiana
- Bradford Gene AddisonBarnes & Thornburg LLP
- Aamer S. AhmedEli Lilly
- John H AllieTaft Stettinius & Hollister LLP
- Rustam AmankulovIndiana University Robert H. McKinney School of Law
- Jonathan C AndersonEli Lilly and Company
- Arvie J AndersonEli Lilly and Company
- Charles W ArnettDow AgroSciences LLC
- Michael R AsamEli Lilly and Company
Frequently asked
Frequently asked about Catherine A. Callahan
Is Catherine A. Callahan a registered patent attorney?
Yes. Catherine A. Callahan is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 79770). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Catherine A. Callahan located?
Catherine A. Callahan's office is in Indianapolis, Indiana (46204). Affiliated with Faegre Drinker Biddle & Reath.
What firm does Catherine A. Callahan work at?
Catherine A. Callahan is listed as affiliated with Faegre Drinker Biddle & Reath on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Catherine A. Callahan?
Catherine A. Callahan's office phone (per the USPTO public roster) is 317-237-1340. 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.