Registered patent attorney
John L. Hemmer
Firm
Morgan, Lewis & Bockius LLP
Address
1701 Market Street
Philadelphia, PA, 19103-2921
US
Phone
Registered as
Registered patent attorney
Other attorneys at Morgan, Lewis & Bockius LLP
- Stephen L AltieriUSPTO Reg. 63133 · Boston, MA
- Jeremy A AnapolUSPTO Reg. 75686 · Costa Mesa, CA
- Benjamin B. AngerUSPTO Reg. 62207 · Costa Mesa, CA
- Andrew J. AntczakUSPTO Reg. 70871 · Philadelphia, PA
- Conor S BallUSPTO Reg. 78072 · San Francisco, CA
- Louis W BeardellUSPTO Reg. 40506 · Philadelphia, PA
- Drew BennettUSPTO Reg. 76003 · Boston, MA
- David P. BernsteinUSPTO Reg. 71064 · Seattle, WA
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 John L. Hemmer
Is John L. Hemmer a registered patent attorney?
Yes. John L. Hemmer is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 58752). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is John L. Hemmer located?
John L. Hemmer's office is in Philadelphia, Pennsylvania (19103-2921). Affiliated with Morgan, Lewis & Bockius LLP.
What firm does John L. Hemmer work at?
John L. Hemmer is listed as affiliated with Morgan, Lewis & Bockius LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact John L. Hemmer?
John L. Hemmer's office phone (per the USPTO public roster) is 215-963-4816. 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.