The [[Object Management Group]] holds registered trademarks on the term Model Driven Architecture® and its acronym MDA®, as well as severaltrademarks relatedfor terms,includingsuch as: Model Based Application Development™, Model Driven Application Development™, Model Based Application Development™, Model Based Programming™, Model Driven Systems™ and others.<ref>http://www.omg.org/legal/tm_list.htm</ref> The main acronym that has not yet been deposited by OMG until now is [[Model-driven engineering|Model-driven engineering (MDE)]]. As a consequence, the research community uses MDE to refer to general model engineering ideas, without committing to strict OMG standards.{{Citation needed|date=February 2007}}