Registered patent attorney
John N CostelloJr.
Firm
Laureate Education, Inc.
Address
650 South Exeter Street
Baltimore, MD, 21202
US
Phone
Registered as
Registered patent attorney
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Frequently asked
Frequently asked about John N Costello
Is John N Costello a registered patent attorney?
Yes. John N Costello is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 62822). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is John N Costello located?
John N Costello's office is in Baltimore, Maryland (21202). Affiliated with Laureate Education, Inc..
What firm does John N Costello work at?
John N Costello is listed as affiliated with Laureate Education, Inc. on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact John N Costello?
John N Costello's office phone (per the USPTO public roster) is 443-627-7398. 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.