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Additional Grant of Patent Rights
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“Software” means the rocksdb software distributed by Facebook, Inc.
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Facebook hereby grants you a perpetual, worldwide, royalty-free,
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non-exclusive, irrevocable (subject to the termination provision below)
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license under any rights in any patent claims owned by Facebook, to make,
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have made, use, sell, offer to sell, import, and otherwise transfer the
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Software. For avoidance of doubt, no license is granted under Facebook’s
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rights in any patent claims that are infringed by (i) modifications to the
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Software made by you or a third party, or (ii) the Software in combination
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with any software or other technology provided by you or a third party.
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The license granted hereunder will terminate, automatically and without
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notice, for anyone that makes any claim (including by filing any lawsuit,
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assertion or other action) alleging (a) direct, indirect, or contributory
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infringement or inducement to infringe any patent: (i) by Facebook or any
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of its subsidiaries or affiliates, whether or not such claim is related
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to the Software, (ii) by any party if such claim arises in whole or in
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part from any software, product or service of Facebook or any of its
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subsidiaries or affiliates, whether or not such claim is related to the
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Software, or (iii) by any party relating to the Software; or (b) that
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any right in any patent claim of Facebook is invalid or unenforceable.
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