Prominent legal counsel the Software Freedom Law Center said that the legal terms covering Microsoft's Open XML document formats pose patent risk to free and open-source software developers.
The SFLC on Wednesday published a legal analysis of Microsoft's Open Specification Promise (OSP), a document written to give developers the green light to make open-source products based on specifications written by Microsoft.
The OSP is meant to allay concerns over violating Microsoft patents that relate to Open XML, Microsoft's document specifications which the company is trying to certify as a standard at the ISO (International Organization for Standardization). For example, a company could create an open-source spreadsheet or server software that can handle Open XML documents.
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