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1 Additional IP Rights Grant (Patents)
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2
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3 "This implementation" means the copyrightable works distributed by
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4 Google as part of the Go project.
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5
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6 Google hereby grants to You a perpetual, worldwide, non-exclusive,
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7 no-charge, royalty-free, irrevocable (except as stated in this section)
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8 patent license to make, have made, use, offer to sell, sell, import,
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9 transfer and otherwise run, modify and propagate the contents of this
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10 implementation of Go, where such license applies only to those patent
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11 claims, both currently owned or controlled by Google and acquired in
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12 the future, licensable by Google that are necessarily infringed by this
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13 implementation of Go. This grant does not include claims that would be
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14 infringed only as a consequence of further modification of this
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15 implementation. If you or your agent or exclusive licensee institute or
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16 order or agree to the institution of patent litigation against any
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17 entity (including a cross-claim or counterclaim in a lawsuit) alleging
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18 that this implementation of Go or any code incorporated within this
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19 implementation of Go constitutes direct or contributory patent
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20 infringement, or inducement of patent infringement, then any patent
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21 rights granted to you under this License for this implementation of Go
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22 shall terminate as of the date such litigation is filed.
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