Question: Who sued Fox in 2006?
About the article "Prison Break", section "Alleged copyright infringement".

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The "Desafuero" of Andrés Manuel López Obrador was the removal of López Obrador's state immunity from prosecution.
It took place during 2004 and 2005.
This process was originated by a land owner who sued the Federal District's government on the grounds of improper expropriation of a patch of land called "El Encino".
This case detonated in López Obrador's (AMLO) hands in 2005, when a vote by the Chamber of Deputies lifted his constitutional immunity against criminal charges.
If officially charged, he would have lost all his civil rights, including the right to run for the presidency in 2006, unless he was either quickly acquitted of all charges or managed to serve his sentence before the electoral registration deadline.
On April 27, 2005, President Vicente Fox announced changes in his cabinet, a re-evaluation of the legal case against AMLO and legal changes so civil rights are only suspended once a citizen is found guilty.
Fox and López Obrador met in the first week of May 2005, as part of the efforts to calm the political climate.
The new Attorney General found a way to avoid prosecuting López Obrador, but it depended on the approval on the private company that first sued him. 
Thomas Fox may refer to: Thomas Fox (fl.1406), MP for Nottingham (UK Parliament constituency)  Tom Fox (Quaker) (1951–2006), American Quaker killed in Iraq while serving with "Christian Peacemaker Teams"  Thomas Fox (1622–1666), English MP for Tamworth 1660–1661  Tom Fox (singer-songwriter), British singer-songwriter who made the album "Midnight Rain"  Thomas Fox (cricketer), English cricketer who played first-class cricket for Hampshire in 1875  Thomas Fox Averill (born 1949), American writer  Tom Fox, founder and president of New York Water Taxi  
Fox (formerly Fox Series) was a Middle Eastern version of the American Fox Channel.
It launched in 2006.
The channel was relaunched as Fox on March 1, 2011.
Fox is jointly owned by Elang Mahkota Teknologi. 
  1973 - "The Belstone Fox (Free Spirit)": Fox named "Tag," based on the novel "The Ballad of the Belstone Fox".
1973 - Ukrainian movie director Igor Negrescul's "Domino: A Life of a Silver Fox".
1990 - Akira Kurosawa's "Dreams": A boy goes to the forest to see where the foxes have their weddings.
1994 - Russian director Ury Klimov's "Once Lives a Fox": Story of a fox escaped from the zoo.
2005 Andrew Adamson's "": Mr. Fox, voiced by Rupert Everett.
A fox also appears during a Christmas feast in the novel, and is turned to stone by the White Witch.
2006 - "Helen the Baby Fox" Seven-year old Taichi found a baby fox named "Helen."
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Kazakhstan's movie "The Last Fox": Boy rescues fox from a trap.
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Estonia's movie "Life of the Fox"  2007 - "The Fox and the Child," directed by Luc Jacquet, is about a young girl who befriends a fox.
2009 - "Antichrist" directed by Lars von Trier has a possibly supernatural fox appearing throughout the film.
2009 - Fantastic Mr. Fox directed by Wes Anderson, and starring: George Clooney, Meryl Streep, Jason Schwartzman, among others.  
 Charles Fox (artist) (1794–1849), English artist Charles Fox (mathematician) (1897–1977), British-born mathematician  Charles Fox (scientist) (1797–1878), British scientist Charles Eli Fox (1879–1926), American architect, partner in the Chicago firm of Marshall and Fox Charles Elliot Fox (1878–1974), English ethnographer and missionary Chappie Fox (Charles Philip Fox, 1913–2003), circus historian and philanthropist Charles Richard Fox (1796–1873), illegitimate son of Henry Richard Vassall-Fox, 3rd Baron Holland  Charley Fox (Charles W. Fox, 1920–2008), Canadian Air Force officer in WWII Charles Masson Fox (1866–1935), Cornish businessman and chess player Charles Vincent Fox (1877–?
), British army officer and rower Charles R. Fox (1912–2006), American Major General