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Just over a year ago, we announced the Open Patent Non-Assertion (OPN) Pledge—committing not to sue any user, distributor, or developer of open-source software on specified patents, unless first attacked. Our goal was to encourage pro-competitive, defensive uses of patents to support open-source innovation. 

Today we’re expanding the Pledge for a third time to include an additional 152 patents related to technologies that help deliver fast, secure experiences on the web, including encryption, XML parsing and prefetching. We’ve also added 5 additional patents related to the MapReduce data-processing technology created at Google.

Visit our website for more information and stay tuned for additional expansions of the Pledge: 
Patents in the Service of Open Source. The Open Patent Non-Assertion Pledge (Open Patent Non-Assert or OPN) was developed by Google to decrease patent threats around open-source software (OSS). There are a variety of OSS copyright licenses and licensing organizations that provide for the ...
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