If a copyright is a watermark it should be easy to remove using one of the watermark removing apps. If you have one on hand you should try it if not I suggest using s it does a pretty decent job of getting rid of watermarks on PDF files. The algorithms allow deleting watermarks without damaging the contents or the background so it safe to use you won lose any data. Plus it works in batch mode so if you have the same watermark on each PDF file youll be able to remove them all at once. So yes the copyright on a PDF file can be removed. offers an easy way to remove watermark from PDF files without affecting the files' visual quality whatsoever. Removing annoying watermarks and cleaning busy backgrounds saving toner or ink when printing multi-page documents can all be done using the program. The program is free to try youll be prompted to buy but only after you try the program out and see if it can really help you. Other features and things you can do with Logo Remover Batch Watermark Removal Lossless PDF Watermark Removal Embed Your Own Watermarks Free Evaluation Download Have a look at the video tutorial that can help you s