&gt; Microsoft Corporation and its affiliates (&quot;Microsoft&quot;) promise not to assert any .NET Patents against you for making, using, selling, offering for sale, importing, or distributing Covered Code, as part of [...] any compliant implementation in software of (a) <i>all of the required parts of the mandatory provisions of Standard ECMA-335</i> [...] and (b) if implemented, any additional functionality in Microsoft&#x27;s .NET Framework