5.3 Google may use consultants and other contractors in connection with the performance of obligations and exercise of rights under this agreement, provided that such consultants and contractors will be subject to the same obligations as Google.

http://www.android.com/us/developer-distribution-agreement.h...

Secondly, without prejudice to the international obligations and international public and private law, the agreement on the transfer of exclusive rights granted in accordance with the treaty or an agreement on the exercise of rights, could be regulated by the law of the country chosen by the parties or, if the law applicable to the agreement was not defined, by the law of the country which was most closely related to the agreement.
http://www.wipo.int/edocs/mdocs/copyright/en/sccr_18/sccr_18...


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Note added at 47 mins (2010-03-01 14:50:20 GMT)
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Von der Ausübung der Rechte werden Zahlungen in Form von Lizenzgebühren, Meilensteinzahlungen und Royalties erwartet.

Exercise of rights are expected to trigger payments in the form of licensing fees, milestone payments and sales royalties.

http://www.linguee.de/uebersetzung/deutsch/royalties.html


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Note added at 50 mins (2010-03-01 14:53:09 GMT)
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Actually, since the agreement covers Ausübung von Rechten und Pflichten, it should be: agreement on the exercise of rights and duties