Registered patent attorney
Jeffrey T Castellano
Firm
DLA Piper LLP
Address
1201 N. Market St.
Suite 2100
Wilmington, DE, 19801
US
Phone
Registered as
Registered patent attorney
Other attorneys at DLA Piper LLP
- Margaret A. BaxterUSPTO Reg. 78109 · Los Angeles, CA
- Roshan K BhattaraiUSPTO Reg. 70092 · Washington, DC
- Megan E. BowersUSPTO Reg. 73178 · Philadelphia, PA
- Nancy Carroll BramanUSPTO Reg. 77430 · Boston, MA
- Robert BuergiUSPTO Reg. 58125 · East Palo Alto, CA
- Grace L. CawdreyUSPTO Reg. 80986 · Boston, MA
- Lesley P ChuangUSPTO Reg. 70795 · Boston, MA
- Jeffrey R ColeUSPTO Reg. 56052 · Austin, TX
Other patent attorneys in Wilmington, Delaware
- Robert Lynn LaPointe Andersonc\o Hon. Mary Pat Thynge
- Lucia Teixeira AntunesE.I. duPont de Nemours and Company
- Gwilym J O AttwellFish & Richardson P.C.
- Brian S. AuerbachBarnes & Thornburg LLP
- Bradley A. AulickE. I. du Pont de Nemours and Company
- George G BallasInterDigital Holdings, Inc.
- Lori Yanisko BeardellDuPont Legal
- Richard M BeckUSPTO Reg. 22580
Frequently asked
Frequently asked about Jeffrey T Castellano
Is Jeffrey T Castellano a registered patent attorney?
Yes. Jeffrey T Castellano is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 61424). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Jeffrey T Castellano located?
Jeffrey T Castellano's office is in Wilmington, Delaware (19801). Affiliated with DLA Piper LLP.
What firm does Jeffrey T Castellano work at?
Jeffrey T Castellano is listed as affiliated with DLA Piper LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Jeffrey T Castellano?
Jeffrey T Castellano's office phone (per the USPTO public roster) is 302-468-5671. 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.