John J. Marshall
Patent attorney, USPTO registration number 29671, status Active.
- Firm
- Drinker Biddle & Reath LLP
- Location
- Avondale, PA
- On the USPTO roster since
- before May 2006
John J. Marshall is a USPTO-registered patent attorney (registration number 29671) at Drinker Biddle & Reath LLP, in Avondale, PA. The registration is active on the current USPTO roster, and John J. Marshall has been listed on the roster since before May 2006.
Drinker Biddle & Reath LLP has 13 registered patent practitioners on the roster (11 patent attorneys and 2 patent agents), so John J. Marshall works alongside 12 other registered practitioners there.
Avondale, PA has 2 registered patent practitioners in all: 1 patent attorney and 1 patent agent.
Other registered practitioners in Avondale, PA
- Kelley C. Norton — Patent agent, Reg. No. 50466, E. I. duPont de Nemours & Company, Inc.
All patent attorneys and agents in Avondale, PA
Patent firms in Pennsylvania · Practitioners by state
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