William M. Chang

Sidley Austin LLP

General

Experience6 yrs

Elite Ratings

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Practice Areas

Transport., E-Comm. (1 case)

Communications (5 cases)

Software, Security (2 cases)

Comp. Arch. and Software (6 cases)

Law Firms

Sidley Austin LLP

william.chang@sidley.com

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Cases

Case #	Court	Caption	Filed	Represent
8:12-CV-00125	D. NE	Prism Tech v. United States Cellular Corp	04/04/12	Challenger :United States Cellular Corp	.
1:12-CV-00193	D. DE	Intellectual Ventures I LLC v. AT&T Mobility LLC	02/16/12	Challenger(W) :Telephone Data Systems Inc	.
2:11-CV-01408	W.D. WA	Motorola Mobility Inc v. Microsoft Corp	08/25/11	Challenger :Microsoft Corp	.
1:11-CV-05289	N.D. IL	Visual Interactive Phone Concepts Inc v. United States Cellular Corp	08/03/11	Challenger(W) :United States Cellular Corp	.
1:10-CV-07420	N.D. IL	Pollin Patent Licensing LLC v. Allstate Corp	11/18/10	Challenger :United States Cellular Corp	.
1:10-CV-24063	S.D. FL	Motorola Mobility Inc v. Microsoft Corp	11/10/10	Challenger :Microsoft Corp	.
6:07-CV-00066	E.D. TX	Usdata Patent Holdings LLC v. G E Fanuc Automation Americas Inc	02/08/07	Challenger :Ge Fanuc Automation Americas Inc	.
1:06-CV-01245	N.D. IL	Oleksy v. General Electric Co	03/08/06	Challenger(W) :Administrator	.

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