Mark Douglas Simpson

Patent attorney, USPTO registration number 32942, status Active.

Firm

Saul Ewing Arnstein & Lehr LLP

Location

Philadelphia, PA

On the USPTO roster since

before May 2006

Mark Douglas Simpson is a USPTO-registered patent attorney (registration number 32942) at Saul Ewing Arnstein & Lehr LLP, in Philadelphia, PA. The registration is active on the current USPTO roster, and Mark Douglas Simpson has been listed on the roster since before May 2006.

Saul Ewing Arnstein & Lehr LLP has 11 registered patent practitioners on the roster (9 patent attorneys and 2 patent agents), so Mark Douglas Simpson works alongside 10 other registered practitioners there.

Philadelphia, PA has 513 registered patent practitioners in all: 377 patent attorneys and 115 patent agents.

Other registered practitioners in Philadelphia, PA

• Jonathan R. Wise — Patent attorney, Reg. No. 56755, Greenberg Traurig, LLP
• Michael R. Witten — Patent agent, Reg. No. 83198, Goodwin Procter, LLP.
• John Wittenzellner — Patent attorney, Reg. No. 61662, Williams Simons & Landis PLLC
• Richard A. Woldin — Patent attorney, Reg. No. 39879, Panitch Schwarze Belisario & Nadel LLP
• Joseph W. Wolfe — Patent attorney, Reg. No. 73173, Patterson & Sheridan, LLP
• Phillip Daniel Wolfe — Patent attorney, Reg. No. 77698, Morgan, Lewis & Bockius, LLP
• Christina S. Wong — Patent agent, Reg. No. 70328
• Chioma C. Abara — Patent attorney, Reg. No. 75943

All patent attorneys and agents in Philadelphia, PA

Patent firms in Pennsylvania · Practitioners by state

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