John M. Buchanan

Patent attorney, USPTO registration number 44571, status Active.

Firm

Cantor Colburn LLP

Location

Holyoke, MA

On the USPTO roster since

before May 2006

John M. Buchanan is a USPTO-registered patent attorney (registration number 44571) at Cantor Colburn LLP, in Holyoke, MA. The registration is active on the current USPTO roster, and John M. Buchanan has been listed on the roster since before May 2006.

Cantor Colburn LLP has 82 registered patent practitioners on the roster (61 patent attorneys and 21 patent agents), so John M. Buchanan works alongside 81 other registered practitioners there.

Holyoke, MA has 3 registered patent practitioners in all: 2 patent attorneys and 1 patent agent.

Other registered practitioners in Holyoke, MA

• Stanton Edward Collier — Patent attorney, Reg. No. 30134, Act-On-Technology Law Office
• Stephen V. O'brien — Patent agent, Reg. No. 33269

All patent attorneys and agents in Holyoke, MA

Patent firms in Massachusetts · Practitioners by state

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