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225 West Wacker Drive, Suite 3000

Chicago, Illinois 60606
United States

view phone(312) 201-2584

view fax(312) 321-4299

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227 West Monroe Street

Chicago, Illinois 60606-5096
United States

view phone(312) 984-7531

view fax(312) 984-7700

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Mr. Siegel joined the Firm in 2006 and became a patent attorney in 2007. Mr. Siegel specializes in preparing and prosecuting patent applications in the electrical and mechanical arts.

William R. Siegel
2800 West Higgins Road

Suite 365

Hoffman Estates, Illinois 60169
United States

view phone(847) 490-1400

view fax(847) 490-1403

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200 East Randolph Drive

Chicago, Illinois 60601
United States

view phone(312) 861-2143

view fax(312) 861-2200

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1645 West Ogden Avenue

Unit 702

Chicago, Illinois 60612
United States

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191 North Wacker Drive, Suite 3700

Chicago, Illinois 60606
United States

view phone(312) 569-1157

view fax(312) 569-3157

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