Editing List of software patents (section)

===Video compression===
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{|  class=wikitable
!  width="15%" | Number
!  width="65%" | Comments
!  width="10%" | Other [[Patent family|family]] members
!  width="10%" | Earliest filing <br /> - Grant dates
|- valign="top"
| '''{{Cite patent|country=US|number=6041345}}''' <small> (''Main article: - '') </small>
| A [[Microsoft]] patent covering a method of encapsulating multiple streams of data into a data stream that is implemented in the [[Advanced Systems Format]]. The author of the [[Open-source software|open source]] video capture tool, [[VirtualDub]], which is licensed under [[GPL]] alleged that an employee of [[Microsoft]] requested that he remove support for ASF from his program. The author has said that he does not have the money to pay for a license under the patent and that he would not take a free license that placed restrictions on future uses of his code in violation of GPL.<ref>{{Cite web |url=http://www.advogato.org/article/101.html |title=Advogato: Microsoft patents ASF media file format, stops reverse engineering<!-- Bot generated title --> |access-date=2007-02-12 |archive-url=https://web.archive.org/web/20120204062942/http://www.advogato.org/article/101.html |archive-date=2012-02-04 |url-status=dead }}</ref>
| -
| <small>1996-03-08<br /> {{En dash}}</small> <small>2000-03-21</small>
|}