Attack on Lam Research Plasma Processing Patent, Among the Reexamination Requests Filed Week of November 28, 2011

Scott Daniels | December 5, 2011

Advanced Micro-Fabrication Equipment has requested reexamination of Lam Research’s U.S. Patent No. 5,998,932 related to plasma processing equipment (see ex parte Request No. (6)).  Lam has sued AMFE for infringement of the Taiwanese counter-part patent and might soon sue in the United States for infringement of the ‘932 patent. 

Reexamination was also requested for a Xerox patent (see inter partes Request No. (5)), but the identity of the requester is not shown in the PTO records.

The following inter partes requests were filed:

(1)         95/001,834 (electronically filed) – U.S. Patent No. 7,891,376 entitled DOUBLE SEAT VALVE FOR SEPARATING MEDIA and owned by Südomo Holding GmbH.  Filed November 28, 2011, by SPX.  The ‘376 patent is currently the subject of a litigation styled Südomo Holding GmbH v. SPX et al.  (Case No. 1:11-cv-561-SLR (D. Del.)). 

(2)         95/001,835 (electronically filed) – U.S. Patent No. 7,952,483 entitled HUMAN MOVEMENT MEASUREMENT SYSTEM and owned by Motiva LLC.   Filed November 29, 2011. 

(3)         95/001,836 (electronically filed) – U.S. Patent No. 6,480,962 entitled SYSTEM AND METHOD FOR PROTECTING A CLIENT DURING RUNTIME FROM HOSTILE DOWNLOADABLES and owned by Finjan Inc.  Filed November 29, 2011. 

(4)         95/001,837 (electronically filed) – U.S. Patent No. 7,678,843 entitled DENTAL RESTORATIVE MATERIAL COMPOSITION and owned by GC Corporation.  Filed November 30, 2011, by Tokuyama Dental Corporation. 

(5)         95/001,838 (electronically filed) – U.S. Patent No. 7,769,757 entitled SYSTEM FOR AUTOMATICALLY GENERATING QUERIES and owned by Xerox.  Filed November 30, 2011. 

The following ex parte requests were filed:

(1)         90/012,026 (electronically filed) – U.S. Patent No. 7,465,097 entitled FLUID DYNAMIC BEARING SYSTEM and owned by Minebea Co.  Filed November 28, 2011, by Owner.  

(2)         90/012,027 (electronically filed) – U.S. Patent No. 6,835,084 entitled MEDICALLY IMPLANTABLE ELECTRICAL CONNECTOR WITH CONSTANT CONDUCTIVITY and owned by Bal Seal Engineering.  Filed November 29, 2011.  

(3)         90/012,028 (electronically filed) – U.S. Patent No. 7,428,168 entitled SEMICONDUCTOR MEMORY SHARING A DATA LINE SENSE AMPLIFIER AND A WRITE DRIVER IN ORDER TO REDUCE A CHIP SIZE and owned by 658868 N.B. Inc.  Filed November 30, 2011, by Owner.  

(4)         90/012,029 (electronically filed) – U.S. Patent No. 6,556,488 entitled DELAY LOCKED LOOP FOR USE IN SEMICONDUCTOR MEMORY DEVICE and owned by 658868 N.B. Inc.  Filed November 30, 2011, by Owner.  

(5)         90/012,030 (electronically filed) – U.S. Patent No. 7,150,499 entitled COLLAPSIBLE COVER FOR SEATING UNIT and owned by Rob Roy McGregor.  Filed December 1, 2011, by Owner.  

(6)         90/012,031 (electronically filed) – U.S. Patent No. 5,998,932 entitled FOCUS RING ARRANGEMENT FOR SUBSTANTIALLY ELIMINATING UNCONFINED PLASMA IN A PLASMA PROCESSING CHAMBER and owned by Lam Research.  Filed December 1, 2011, by Advanced Micro-Fabrication Equipment.   The Taiwanese counter-part of ‘932 patent is currently the subject of a litigation between the two companies.

(7)         90/012,032 (electronically filed) – U.S. Patent No. 6,691,473 entitled APPARATUS AND METHOD FOR SEALING A VERTICAL PROTRUSION ON A ROOF and owned by Custom Seal.  Filed December 2, 2011, likely by Acme Cone or Flashco Mfg.   The ‘473 patent is currently the subject of a litigation styled Custom Seal v. Acme Cone et al.  (Case N0. 3:11-cv-00537 (N.D. Ohio)).

(8)         90/012,033 (electronically filed) – U.S. Patent No. 6,830,269 entitled APPARATUS AND METHOD FOR SEALING A VERTICAL PROTUSION ON A ROOF and owned by Custom Seal.  Filed December 2, 2011, likely by Acme Cone or Flashco Mfg.   The ‘269 patent is currently the subject of a litigation styled Custom Seal v. Acme Cone et al.  (Case N0. 3:11-cv-00537 (N.D. Ohio)). 

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