This page contains information regarding Star Trek: Picard, and thus may contain spoilers.
In 2399, Jean-Luc Picard brought a bottle of '86 Chateau Picard to Raffi Musiker as a peace offering before asking for her help. Later, he took a bottle of Chateau Picard and a baguette when embarking on La Sirena (PIC: "Maps and Legends", "The End is the Beginning")
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Background information Edit
By coincidence or not, Chateau Picard is a real wine label, although it is made in Saint Estèphe.
The bottle of Chateau Picard is seen in the DS9 Season 1 DVD special feature "Secrets of Quark's Bar" presented by Penny Juday, although the prop was not used in Star Trek: Deep Space Nine but in Star Trek: Nemesis.
Two Chateau Picard wine bottles were sold as Lot #27 in the 40 Years of Star Trek: The Collection auction. The winner paid US$6,600, even though the pre-sale estimate was 500 to 700 dollars. After the sale, the auctioneer remarked "That's probably a record for empty wine bottles."
In 2019, Wines That Rock partnered with the real Chateau Picard winery to release a limited-edition Cru Bordeaux labeled in the style of the fictional Chateau Picard wines, as seen in Star Trek: Picard. Though the wine is actually a 2017 vintage (as printed on the cork), the label indicates it to be the 2386 vintage – the same vintage seen in Picard and requested by Raffi Musiker in "Maps and Legends". 
Chateau Picard is mentioned in the novel The Rise and Fall of Khan Noonien Singh, Volume Two as being the wine of choice of Jeff Carlson in 1996.
The novel Q&A reveals that Chateau Picard's winemaking business was run by Robert's wife Marie while Robert tended to the grapes. In 2380, Picard sampled a 2372 vintage – the first batch produced by Marie following the death of Robert in 2371, and was disappointed by the result.
In the novel Collateral Damage it's mentioned Chateau Picard was moved from its original home in Saint-Estèphe to La Barre in the years following World War III. This was due to the climatic shifts in France in the 21st century during and following the war and the fact that La Barre's climate became more favorable for making wine. The novel also mentioned that Picard noted how the quality of the wine had greatly improved in the years since the fire.
The 2012 Star Trek: Starfleet Academy novel The Assassination Game, set in the alternate reality, mentions a bottle of Chateau Picard being served by James T. Kirk to Leonard McCoy and his date Nadja Luther (β). Upon reading the label, Kirk remarks, "Chateau Picard. Never heard of it."