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