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The Licensor grants to the Licensee royalty-free, non-exclusive usage rights to any patents held by the Licensor, to the
extent necessary to make use of the rights granted on the Work under this Licence.

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Executable Code, the Licensor provides in addition a machine-readable copy of the Source Code of the Work along with
each copy of the Work that the Licensor distributes or indicates, in a notice following the copyright notice attached to
the Work, a repository where the Source Code is easily and freely accessible for as long as the Licensor continues to
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4.Limitations on copyright
Nothing in this Licence is intended to deprive the Licensee of the benefits from any exception or limitation to the
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Copyleft clause: If the Licensee distributes or communicates copies of the Original Works or Derivative Works, this
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Compatibility clause: If the Licensee Distributes or Communicates Derivative Works or copies thereof based upon both
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6.Chain of Authorship