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Patent grant detailsPatent grant detailsPosted Aug 13, 2010 8:53 UTC (Fri) by tamasrepus (guest, #33205)In reply to: Oracle sues Google over use of Java in Android (ars technica) by clacke Parent article: Oracle sues Google over use of Java in Android (ars technica)
AFAIK, whether or not it uses OpenJDK is irrelevant to the patent protection. Neither is the license used (except for the GPLv3 and perhaps some others that forbid patents from restricting freedom). The Java patent grant (see ยง 2) is granted following full (not a subset! seems you're forbidden from making a "slim" JVM) compliance with Sun's published specification for Java. Dalvik doesn't do that. Google (deliberately?) made it incompatible: Dalvik can't run Java applications, and OpenJDK cannot run Dalvik applications. Google may be able to solve this going forward by making Dalvik compliant with the specification, or switching Android to use OpenJDK. This would break all backward compatibility, so it seems unlikely.
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Patent grant details Posted Aug 16, 2010 0:03 UTC (Mon) by coriordan (guest, #7544) [Link] > whether or not it uses OpenJDK is irrelevant to the patent protection Why? OpenJDK was distributed by Oracle under GPLv2 (a licence which includes patent protection). Google can take a copy (and modify it heavily if they like) and distribute it without any patent risk. It's the Java patent grant that's irrelevant.
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