Registered patent attorney
Henry Howson Skillman
Firm
Dann Dorfman Herrell and Skillman
Address
1601 Market Street, Suite 2400
Philadelphia, PA, 19103-2307
US
Phone
Registered as
Registered patent attorney
Other attorneys at Dann Dorfman Herrell and Skillman
Other patent attorneys in Philadelphia, Pennsylvania
- Chioma C. AbaraUSPTO Reg. 75943
- Robert Allen AboudSmithKline Beecham CORP
- Comfort O. AdeyemiUSPTO Reg. 82489
- Yousuf U. AhmedDLA Piper LLP (US)
- Benjamin A. AilesMcCarter & English LLP
- Jeffrey C AldridgeVan Court & Aldridge LLP
- Ross E AlexanderFlaster Greenberg P.C.
- Curtis R AltmannMendelsohn Dunleavy, P.C.
Frequently asked
Frequently asked about Henry Howson Skillman
Is Henry Howson Skillman a registered patent attorney?
Yes. Henry Howson Skillman is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 17352). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Henry Howson Skillman located?
Henry Howson Skillman's office is in Philadelphia, Pennsylvania (19103-2307). Affiliated with Dann Dorfman Herrell and Skillman.
What firm does Henry Howson Skillman work at?
Henry Howson Skillman is listed as affiliated with Dann Dorfman Herrell and Skillman on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Henry Howson Skillman?
Henry Howson Skillman's office phone (per the USPTO public roster) is 215-563-4100. 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.