There are several databases on the internet offering access to patents free of charge.
There are also a number of commercial organisations offering patent document delivery services.
For examples and further information, please see Links to Patent Information.
The British Library has a large collection of patents and offers patents searching and document delivery services. If your organisation has an account with the British Library your librarian can place arequest with the British Library. If you are not a customer, orders can be placed via their Articles Direct service.
If you have problems with obtaining a copy of a patent, contact the library at TWI: library@twi.co.uk
