Derick E. Allen

Patent attorney, USPTO registration number 43468, status Active.

Firm

Armstrong Teasdale LLP

Location

St. Louis, MO

On the USPTO roster since

before May 2006

Derick E. Allen is a USPTO-registered patent attorney (registration number 43468) at Armstrong Teasdale LLP, in St. Louis, MO. The registration is active on the current USPTO roster, and Derick E. Allen has been listed on the roster since before May 2006.

Armstrong Teasdale LLP has 56 registered patent practitioners on the roster (46 patent attorneys and 10 patent agents), so Derick E. Allen works alongside 55 other registered practitioners there.

St. Louis, MO has 221 registered patent practitioners in all: 187 patent attorneys and 34 patent agents.

Other registered practitioners in St. Louis, MO

• Linda L. Lewis — Patent attorney, Reg. No. 31212, CreatiVenture Law
• Chunping Li — Patent attorney, Reg. No. 57755, Monsanto Company
• Zhen J. Li — Patent attorney, Reg. No. 71796, Cigna
• Marriam Lin — Patent attorney, Reg. No. 76161, Husch Blackwell
• Michael H. Longmeyer — Patent attorney, Reg. No. 55402, Polsinelli PC
• Raymond Carl Loyer, Sr — Patent attorney, Reg. No. 21007
• Haisheng Lu — Patent agent, Reg. No. 53241, Monsanto Company
• Lionel Louis Lucchesi — Patent attorney, Reg. No. 25891, Polster Lieder Woodruff & Lucchesi L.C.

All patent attorneys and agents in St. Louis, MO

Patent firms in Missouri · Practitioners by state

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