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Intellectual Property (IP) Information

Intellectual Property Licensed Under SD Memory Card License Agreement (CLA) and SD Host/Ancillary Product License Agreement (HALA)

The links below are for certain essential patents, design patents, logos, trademarks and copyrights covered by the CLA and HALA.

The CLA provides a license under the Essential Patent Claims of the SD Group, SD Group Specifications and SD Trademarks and Logos to make, use and sell SD Memory Cards as specified in the CLA.

The HALA provides a license under the Essential Patent Claims of the SD Group, SD Group Specifications and SD Trademarks and Logos to make, use and sell SD Host/Ancillary Products as specified in the HALA.

Essential Patents

The essential patents listed below have been evaluated by an independent expert who determined that the patent claims contained therein are necessarily and unavoidably infringed by a product that implements the SD technology in compliance with the SD Group Specifications. The essential patents listed may also have foreign counterparts. The list is for informational purposes only. It is offered by way of example and may not be exhaustive.

OwnerPatent No.
Panasonic CorporationUS 6,590,778
US 6,611,907
US 6,789,192
US 6,922,343
US 7,143,261
SanDisk CorporationUS 6,820,148
US 6,948,016
Toshiba CorporationUS 7,162,561

Design Patents

Shown below is a list of design patents covered by the CLA. These design patents may also have foreign counterparts. The list is for informational purposes only. It is offered by way of example and may not be exhaustive.

SD Memory Cards
US Patent #Issue Date
D446,5252001/07/17
D444,4732001/07/03
D445,1112001/08/14
D459,3552002/06/25
D460,4562002/07/16
D467,5862002/12/24
 
miniSD Cards
US Patent #Issue Date
D517,0722006/03/14
D533,5562006/12/12
D510,9352005/10/25
D505,9592005/06/07
D507,7952005/07/26
D510,5792005/10/11
 
microSD Cards
US Patent #Issue Date
D525,2482006/07/18
D523,4352006/06/20
D538,2862007/03/13
D537,0812007/02/20
D525,9782006/08/01
D525,6232006/07/25

SD Trademarks and Logos

SD Memory Cards
US Registration #Date
2,772,8312003/10/14
3,816,4392010/07/13
 
SD High Capacity
US Registration #Date
3,598,5752006/09/15

These SD trademarks and logos may have foreign counterparts.

Copyrights

The SD Group Specifications as shown below (excluding the Specification Addenda) are confidential information and the property of the SD Group. All rights are reserved except as set forth in the CLA and HALA.

SD Physical SpecificationPart 1 Physical Layer Specifications Version 1.01
Released on April 15, 2001
SD Logical SpecificationPart 2 File System Specifications Version 1.01
Released on April 15, 2001
SD Security SpecificationPart 3 Security Specifications Version 1.01
Released on April 15, 2001
SD Application FormatPart 4 Audio Specifications Version 1.01
Released on April 15, 2001