John B. Conklin
Leydig Voit Mayer LTD
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General

Experience23 yrs
Elite Ratings
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Practice Areas
Chemical (1 case)
Comp. Arch. and Software (1 case)
Software, Security (1 case)
Communications (4 cases)
Semicond., Optic (2 cases)
Law Firms
Leydig Voit Mayer LTD
jconklin@leydig.com
leydig.com

Ratings

Experience
Grade
Trend
DCT
L1
D
PTAB
L3
E
CAFC
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Cases

Case #
Court
Caption
Filed
Represent
1:23-CV-15282
N.D. IL
Hexcelpack LLC v. Pregis LLC10/24/23
Patent Owner
: Hexcelpack LLC
1:16-CV-07204
N.D. IL
Tecmen Electronics Co Ltd v. Menard Inc07/13/16
Patent Owner
: Tecmen Electronics Co Ltd
1:16-CV-03545
N.D. IL
Molon Motor Coil Corp v. Nidec Motor Corp03/23/16
Challenger (W)
: Kinetek Inc
4:15-CV-11552
D. MA
Voice Systems Technology Inc v. Atago USA Inc04/08/15
Patent Owner
: Voice Systems Technology Inc
1:12-CV-01099
C.D. IL
Philippi Hagenbuch Inc v. Western Technology Services Intl Inc03/30/12
Patent Owner (L)
: Leroy G Hagenbuch Inc
1:12-CV-01079
C.D. IL
Hagenbuch v. Komatsu America Inc03/09/12
Patent Owner
: Leroy G Hagenbuch Inc
1:10-CV-04262
N.D. IL
Heckmann Building Products Inc v. Hohmann & Barnard Inc07/09/10
Patent Owner (W)
: Hohmann & Barnard Inc
1:08-CV-05644
N.D. IL
Sellstrom Mfg Co v. Tecmen Electronics Co Ltd10/03/08
Challenger
: Tecmen Electronics Co Ltd
1:07-CV-00738
N.D. IL
Pressure Specialist Inc v. Control Devices Inc02/07/07
Challenger
: Control Devices Inc
1:05-CV-01413
N.D. IL
Blazevic v. Severstal North America Inc03/09/05
Patent Owner

Ratings Trends

Practice Areas