Registered patent attorney
John L Welch
Firm
Wolf Greenfield & Sacks, P.C.
Address
600 Atlantic Avenue
Boston, MA, 02210
US
Phone
Registered as
Registered patent attorney
Other attorneys at Wolf Greenfield & Sacks, P.C.
- Diana L. BorgasUSPTO Reg. 75967 · Boston, MA
- Kady S. BruceUSPTO Reg. 80146 · Boston, MA
- Cara Beatrice DawsonUSPTO Reg. 70034 · Boston, MA
- Samuel L. DoskocilUSPTO Reg. 80312 · Boston, MA
- Minita G HollowayUSPTO Reg. 67594 · Boston, MA
- Marc S. JohannesUSPTO Reg. 64978 · Boston, MA
- Nidhi MallaUSPTO Reg. 59924 · Boston, MA
- Elizabeth S MulskiUSPTO Reg. 77692 · Boston, MA
Other patent attorneys in Boston, Massachusetts
- Susan M AbelleiraFoley Hoag, LLP
- Donato G. AcetoFish & Richardson P.C.
- James M AchesonEDWARDS WILDMAN PALMER LLP
- Daryl L AchillesLightmtter, Inc.
- Lisa AdamsMintz Levin Cohn Ferris Glovsky and Popeo, PC
- Melissa M AdamsClark & Elbing, LLP
- Terra E AdamsDialog
- Edward J AdamsonUSPTO Reg. 50927
Frequently asked
Frequently asked about John L Welch
Is John L Welch a registered patent attorney?
Yes. John L Welch is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 28129). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is John L Welch located?
John L Welch's office is in Boston, Massachusetts (02210). Affiliated with Wolf Greenfield & Sacks, P.C..
What firm does John L Welch work at?
John L Welch is listed as affiliated with Wolf Greenfield & Sacks, P.C. on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact John L Welch?
John L Welch's office phone (per the USPTO public roster) is 617-646-8000. 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.