Patent Attorney
John A Chionchio
Reg. No. 40954
Active
Not accepting new clients
Firm
Ballard Spahr LLP
Ballard Spahr LLP
Location
Philadelphia, PA 19103
Philadelphia, PA 19103
Phone
215-864-8842
215-864-8842
Registration Type
ATTORNEY
ATTORNEY
Roster
USPTO OED FY25
USPTO OED FY25
Firm and contact info reflects the FY25 roster (last updated September 25).
Attorneys may have changed firms since then — patent filings show their current firm of record.