DjVu [[patente]]dun fitxategi formatu bat da, hala ere [[Formatuformatu ireki|irekiko]] formatuaa da.<ref>{{Cite web|izenburua=What is DjVu – DjVu.org|argitaletxea=DjVu.org|url=http://djvu.org/resources/whatisdjvu.php|accessdate=2009-03-05}}<cite class="citation web cs1" data-ve-ignore="true">[http://djvu.org/resources/whatisdjvu.php "What is DjVu – DjVu.org"]. </cite></ref> Fitxategi-formatuaren zehaztapena eta erreferentziako liburutegiaren iturburu-kodea fitxategiarekin batera argitaratzen dira. Jatorrizko egileek "''[[DjVuLibre]]''" izeneko [[kode irekikoireki]]ko bertsioa banatzen dute [[GNU Lizentzia Publiko Orokorra|GNUren Lizentzia Publiko]] Orokorraren pean. Kodifikazio-softwarearen garapen komertzialerako eskubideak hainbat enpresataraenpresari transferitusaldu dirazaie, urteetan zehar,: ''AT&T Corporation, LizardTech'', ''Celartem''...<ref>{{Cite web|izenburua=Celartem, Inc.: Private Company Information – Bloomberg|url=https://www.bloomberg.com/profile/company/2590570Z:US|lana=Bloomberg.com}}</ref> eta Cuminas barne.<ref>{{Cite web|abizena=Extensis|izenburua=Company – About – LizardTech|url=https://www.lizardtech.com/company/about|lana=Lizardtech.com}}</ref><ref>{{Cite web|izenburua=会社情報 - Cuminas Corporation|url=https://www.cuminas.jp/company|lana=Cuminas.jp|accessdate=2018-01-14}}</ref>
Celartemek''Celartem''ek ''LizardTech ''eta ''Extensis'' erosi zituen.<ref>{{Cite web|izenburua=Company Overview – Celartem Technology, Inc.|url=http://www.celartem.com/en/company-overview/|lana=Celartem.com|accessdate=7 December 2021}}</ref><ref>{{Cite web|izenburua=Celartem Technology Announces Merger of US Holdings – Extensis.com|url=https://www.extensis.com/newsroom/celartem-technology-announces-merger-of-us-holdings/|accessdate=2018-01-14}}</ref><ref>{{Cite web|izenburua=Celartem, Inc.: Private Company Information – Bloomberg|url=https://www.bloomberg.com/profile/company/2590570Z:US|lana=Bloomberg.com}}<cite class="citation web cs1" data-ve-ignore="true">[https://www.bloomberg.com/profile/company/2590570Z:US "Celartem, Inc.: Private Company Information – Bloomberg"]. </cite></ref><ref>{{Cite web|izenburua=Celartem Technology Inc.: Private Company Information – Bloomberg|url=https://www.bloomberg.com/research/stocks/private/snapshot.asp?privcapId=3046493|lana=Bloomberg.com}}</ref><ref>{{Cite web|izenburua=Celartem Sells Extensis and LizardTech Plugins and XTensions to onOne Software – Big Picture – Wide Format Printing|url=https://bigpicturemag.com/celartem-sells-extensis-and-lizardtech-plugins-and-xtensions-onone-software|lana=bigpicture.net}}</ref>
