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The firm had also argued that Microsoft was using its wi-fi innovations.
Google has now asked the US International Trade Commission, which handles patent disputes, to withdraw both claims.
Microsoft said it now hopes Google will withdraw similar claims in other rows, including one over licensing terms.
Microsoft wants to license the patents but has refused to comply with Google's demands it should pay up to $4bn (£2.5bn) a year to use them.
In a separate ongoing dispute in a US court, Microsoft is arguing that the patents, which belong to the Motorola Mobility Unit owned by Google, were only worth about $1m (£623,000) per year to use because the technology they related to is so essential to the tech industry as a whole.
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(BBC News Technology)