These links might help. They are all UK based. As long as you can prove that you're the original sole author I think you're fine. Proving that, though, could be difficult.
Copyright, Design and Patents Act 1988 (c. 48)
http://www.legislation.hmso.gov.uk/...ga_19880048_en_1.htm
Copyright Licensing Agency
http://www.cla.co.uk/
www.copyrightvault.com - this looks dodgy.
http://www.copyrightvault.com/
HTH.
- wil
Copyright, Design and Patents Act 1988 (c. 48)
http://www.legislation.hmso.gov.uk/...ga_19880048_en_1.htm
Copyright Licensing Agency
http://www.cla.co.uk/
www.copyrightvault.com - this looks dodgy.
http://www.copyrightvault.com/
HTH.
- wil