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1Digital Negative (DNG) Specification patent license
2
3Adobe is the publisher of the Digital Negative (DNG) Specification
4describing an image file format for storing camera raw information
5used in a wide range of hardware and software. Adobe provides the DNG
6Specification to the public for the purpose of encouraging
7implementation of this file format in a compliant manner. This
8document is a patent license granted by Adobe to individuals and
9organizations that desire to develop, market, and/or distribute
10hardware and software that reads and/or writes image files compliant
11with the DNG Specification.
12
13Grant of rights
14
15Subject to the terms below and solely to permit the reading and
16writing of image files that comply with the DNG Specification, Adobe
17hereby grants all individuals and organizations the worldwide,
18royalty-free, nontransferable, nonexclusive right under all Essential
19Claims to make, have made, use, sell, import, and distribute Compliant
20Implementations.
21
22“Compliant Implementation” means a portion of a software or hardware
23product that reads or writes computer files compliant with the DNG
24Specification.
25
26“DNG Specification” means any version of the Adobe DNG Specification
27made publicly available by Adobe (for example, version 1.0.0.0 dated
28September 2004).
29
30“Essential Claim” means a claim of a patent, whenever and wherever
31issued, that Adobe has the right to license without payment of royalty
32or other fee that is unavoidably infringed by implementation of the
33DNG Specification. A claim is unavoidably infringed by the DNG
34Specification only when it is not possible to avoid infringing when
35conforming with such specification because there is no technically
36possible noninfringing alternative for achieving such conformity.
37Essential Claim does not include a claim that is infringed by
38implementation of (a) enabling technology that may be necessary to
39make or use any product or portion thereof that complies with the DNG
40Specification but is not itself expressly set forth in the DNG
41Specification (for example, compiler technology and basic operating
42system technology), (b) technology developed elsewhere and merely
43incorporated by reference in the DNG Specification, or (c) the
44implementation of file formats other than DNG.
45
46Revocation
47
48Adobe may revoke the rights granted above to any individual or
49organizational licensee in the event that such licensee or its
50affiliates brings any patent action against Adobe or its affiliates
51related to the reading or writing of files that comply with the DNG
52Specification.
53
54Any Compliant Implementation distributed under this license must
55include the following notice displayed in a prominent manner within
56its source code and documentation: "This product includes DNG
57technology under license by Adobe Systems Incorporated.”
58
59No warranty
60
61The rights granted herein are provided on an as-is basis without
62warranty of any kind, including warranty of title or noninfringement.
63Nothing in this license shall be construed as (a) requiring the
64maintenance of any patent, (b) a warranty or representation as to the
65validity or scope of any patent, (c) a warranty or representation that
66any product or service will be free from infringement of any patent,
67(d) an agreement to bring or prosecute actions against any infringers
68of any patent, or (e) conferring any right or license under any patent
69claim other than Essential Claims.
70
71Reservation of rights
72
73All rights not expressly granted herein are reserved.
74