“You be the chef”, according to the U.S. Patent and Trademark Office records.Amazon has registered a trademark in the USA on July 6 for a service described as: “We do the prep”. The company went public June 29 with an IPO that priced at $10 a share, less than the company initially expected, and its stock has fallen further since then.The news follows the March launch of Martha Stewart’s “Martha & Marley Spoon through AmazonFresh”, where AmazonFresh customers in New York, San Francisco, Dallas and Philadelphia can purchase a Martha & Marley Spoon meal kit that includes the ingredients for a two-person meal. The meal-kit company already competes with similar startups as well as grocery delivery services offered by Amazon’s Prime service and Whole Foods Market Inc.’s partnership with Instacart Inc.Following its $13.7 billion acquisition of Whole Foods Markets, Amazon recently filed a trademark application for meal kits.The Times of London was first to report on the trademark filing.Amazon has registered a trademark in the USA for a service described as: “We do the prep”. Blue Apron happens to be one of those services.Shares of the newly-public meat kit company dived again Monday morning following news that Amazon had applied to trademark the phrase, “We do the prep”. Blue Apron is structured as a subscription service in which users get a set number of meal kit boxes per week, whereas meal kits on Amazon Fresh appear to be one-off purchases. Most meal kits on Amazon Fresh are now priced between $10 and $24 and include ingredients for at least two servings.Online grocery shopping still accounts for just about 7% of all grocery orders, although observers expect adoption in the U.S.to increase dramatically: Nielsen expects that share to rise to 20% by 2025.Blue Apron had sought additional available credit before the initial public offering, according to people familiar with the matter.On Monday it dropped 84 cents, or 11.4 percent, to $6.52 while Amazon added $8.68 to $1,010.49.