John L. Welch

Patent attorney, USPTO registration number 28129, status Active.

Firm
Wolf, Greenfield & Sacks P.C.
Location
Boston, MA
On the USPTO roster since
before May 2006

John L. Welch is a USPTO-registered patent attorney (registration number 28129) at Wolf, Greenfield & Sacks P.C., in Boston, MA. The registration is active on the current USPTO roster, and John L. Welch has been listed on the roster since before May 2006.

Wolf, Greenfield & Sacks P.C. has 106 registered patent practitioners on the roster (84 patent attorneys and 22 patent agents), so John L. Welch works alongside 105 other registered practitioners there.

Boston, MA has 1,260 registered patent practitioners in all: 820 patent attorneys and 412 patent agents.

Other registered practitioners in Boston, MA

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