PSPDFKit GmbH is the copyright owner of source code that is being infringed at: https://github.com/LiuLiu001/PDFMaster/tree/master/PSPDFKit (All of the files in the PSPPDFKit folder are infringing, and also some have been copied and renamed and the header removed in the parent directory - we haven't identified all of them yet) The product that they infringe on is PSPDFKit, which is an iOS framework for displaying and editing PDF files. See pspdfkit.com for details. This letter is official notification under the provisions of Section 512(c) of the Digital Millennium Copyright Act ("DMCA") to effect removal of the above-reported infringements. I request that you immediately issue a cancellation message as specified in RFC 1036 for the specified postings and prevent the infringer, who is identified by its Web address, from posting the infringing material to your servers in the future. Please be advised that law requires you, as a service provider, to "expeditiously remove or disable access to" the infringing material upon receiving this notice. Noncompliance may result in a loss of immunity for liability under the DMCA. The person who appears to be responsible for the infringing repository is [private] who’s email address is [private], [private]. However we were unable to reach anyone via email, telephone or Skype. I have a good faith belief that use of the material in the manner complained of here is not authorized by me, the copyright holder, or the law. I swear, under penalty of perjury, that the information in this notification is accurate and that I am the copyright owner, or am authorized to act on behalf of the owner, of an exclusive right that is allegedly infringed. Please contact us at the address below with a prompt response indicating the actions you have taken to resolve this matter. Sincerely, /s/ [private] Email: [private] [private] http://pspdfkit.com/privacy-legal/