Patent No. EP2579321 (titled "Method Of Manufacturing A Structured Semi-Conductor Substrate") was filed by Altis Semiconductor on Oct 4, 2012. The application was issued on Feb 24, 2016.

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
| Company | Opposition Date | Representative |
|---|---|---|
| UNIVERSITE DAIX MARSEILLE | Nov 23, 2016 | MARCHAND |
The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
Date
Description
Sep 25, 2018
Sep 25, 2018
Sep 20, 2018
Jul 6, 2018
Jun 15, 2018
Jun 13, 2018
Jun 13, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Apr 6, 2018
Mar 29, 2018
Mar 29, 2018
Mar 29, 2018
Dec 7, 2017
Oct 27, 2017
Oct 23, 2017
Oct 23, 2017
Oct 23, 2017
Aug 30, 2017
Aug 30, 2017
Aug 30, 2017
Aug 7, 2017
Aug 7, 2017
Aug 7, 2017
Aug 7, 2017
Jun 1, 2017
Jun 1, 2017
Jun 1, 2017
May 30, 2017
May 29, 2017
May 17, 2017
May 17, 2017
May 17, 2017
May 16, 2017
May 4, 2017
May 4, 2017
May 4, 2017
Jan 11, 2017
Jan 11, 2017
Dec 7, 2016
Nov 23, 2016
Nov 23, 2016
Nov 23, 2016
Nov 23, 2016
Nov 23, 2016
Nov 23, 2016
Nov 23, 2016
Nov 23, 2016
Nov 23, 2016
Nov 23, 2016
Nov 23, 2016
Nov 23, 2016
Nov 23, 2016
Nov 23, 2016
Nov 23, 2016
Jul 4, 2016
Jun 28, 2016
Feb 25, 2016
Jan 28, 2016
Dec 9, 2015
Dec 9, 2015
Dec 9, 2015
Dec 9, 2015
Dec 9, 2015
Oct 23, 2015
Oct 23, 2015
Oct 23, 2015
Oct 23, 2015
Oct 23, 2015
Oct 12, 2015
Oct 6, 2015
Oct 6, 2015
Oct 6, 2015
Oct 6, 2015
Sep 30, 2015
Sep 30, 2015
Sep 28, 2015
Sep 22, 2015
Sep 22, 2015
Sep 22, 2015
Sep 22, 2015
Jul 7, 2015
Jul 7, 2015
Jul 7, 2015
Jul 7, 2015
Jul 7, 2015
Jun 17, 2015
Mar 31, 2015
Mar 31, 2015
Mar 23, 2015
Mar 23, 2015
Mar 23, 2015
Mar 23, 2015
Mar 23, 2015
Mar 23, 2015
Mar 23, 2015
Mar 23, 2015
Mar 23, 2015
Mar 23, 2015
Mar 23, 2015
Jun 30, 2014
Jun 30, 2014
Jun 30, 2014
Jun 30, 2014
Jun 30, 2014
Jan 20, 2014
Jan 15, 2014
Dec 17, 2013
Dec 17, 2013
Dec 17, 2013
Dec 10, 2013
Mar 13, 2013
Nov 27, 2012
Nov 27, 2012
Nov 27, 2012
Oct 19, 2012
Oct 19, 2012
Oct 10, 2012
Oct 4, 2012
Oct 4, 2012
Oct 4, 2012
Oct 4, 2012
Oct 4, 2012
Oct 4, 2012
Oct 4, 2012
Oct 4, 2012
Oct 4, 2012