Intel Corporation Sued for Patent Infringement over CMP Techniques

Plaintiff: Semcon Tech LLC

Defendant: Intel Corporation

Case Number: 3:13-cv-00099

Court: Oregon District Court

Date Filed: January 18, 2013

Patent-in-Suit: US7156717

The patent US7156717 involved in this is suit is currently assigned[*] to Semcon Tech (source: Maxval’s Assignment Database). The patent entitled Situ finishing aid control was issued on January 02, 2007 and expires[†] on September 20, 2021. 

The patent describes a method of using finishing aids for advanced finishing control. The method uses finishing control subsystem having a multiplicity of operative process sensors along with tracked information to improve in situ control of finishing. Differential finishing rate and lubricating film methods are described to differentially finish semiconductor wafers. 

About the Parties:

Intel Corporation (Intel) develops integrated digital technology products and components for the computing and communications industries. The company offers microprocessors, chipsets, motherboards, flash memory, wired and wireless connectivity products, communications infrastructure components, including network processors, and products for networked storage. The company also develops computing platforms, which it defines as integrated hardware and software computing technologies.

As in Complaint:

Plaintiff alleges that defendant manufactures and markets integrated circuits that are made using a process known as chemical-mechanical polishing (CMP) with the use of an Applied Materials Reflexion CMP system that infringes the ‘717 patent.  

Other Cases Filed:

Semcon Tech has filed other cases against the companies listed below:

Defendant	Case Number	Date Filed	Status
Texas Instruments Incorporated	3:13-cv-00249	01/18/2013	Pending
GlobalFoundries US	1:12-cv-01021	08/07/2012	Pending
Xilinx	1:12-cv-00691	05/30/2012	Pending
Cabot Microelectronics Corporation	1:12-cv-00690	05/30/2012	Closed
Fujifilm Electronic Materials	1:12-cv-00529	04/27/2012	Closed
IBM	1:12-cv-00530	04/27/2012	Pending
Intel Corporation	1:12-cv-00532	04/27/2012	Pending

Table information sourced from Maxval’s Litigation Database.

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[*] MaxVal offers Patent Assignment Alert service where subscribers receive email alerts when assignments relating to target applications, patents or entities of interest are recorded.

[†] Expected expiration date. Patent Term Estimator is a free web-based tool that automatically calculates patent terms and expiration dates for U.S. utility patents.