Kristoffer B. Leftwich

Chen Leftwich LLPLocal

General

Experience17 yrs

Elite Ratings

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Practice Areas

Comp. Arch. and Software (7 cases)

Software, Security (6 cases)

Communications (8 cases)

Semicond., Optic (7 cases)

Transport., E-Comm. (3 cases)

Law Firms

Chen Leftwich LLP

Sidley Austin LLP

kleftwich@chenleftwich.com

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Ratings

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DCT

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PTAB

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CAFC

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Cases

Case #	Court	Caption	Filed	Represent
2:18-CV-00193	E.D. TX	Semcon IP Inc v. ASUSTeK Computer Inc	05/09/18	Challenger :ASUSTeK Computer Inc	.
2:18-CV-00069	E.D. TX	Mariner Ic Inc v. ASUSTeK Computer Inc	03/13/18	Challenger :ASUSTeK Computer Inc	.
3:18-CV-00373	S.D. CA	Pulse Electronics Inc v. Ud Electronic Corp	02/16/18	Patent Owner(L) :Pulse Electronics Inc	.
4:17-CV-03363	N.D. CA	Everlight Electronics Co Ltd v. Bridgelux Inc	06/10/17	Patent Owner :Everlight Electronics Co Ltd	.
2:17-CV-04273	C.D. CA	Document Security Systems Inc v. Everlight Electronics Co Ltd	06/08/17	Challenger(W) :Everlight Americas Inc	.
2:16-CV-01139	E.D. TX	Bartonfalls LLC v. Ziff Davis LLC	10/11/16	Challenger :Ziff-Davis LLC	.
2:16-CV-01130	E.D. TX	Bartonfalls LLC v. Turner Broadcasting System Inc	10/11/16	Challenger	.
1:15-CV-00370	D. DE	Visual Memory LLC v. STMicroelectronics Inc	05/08/15	Challenger :STMicroelectronics Inc	.
1:13-CV-04991	N.D. IL	Fujitsu Ltd v. Tellabs Inc	07/12/13	Challenger :Tellabs Inc	.
1:12-CV-03229	N.D. IL	Fujitsu Ltd v. Tellabs Inc	04/30/12	Challenger(W) :Tellabs Inc	.

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Practice Areas