World Intellectual Property Organisation guide to the pitfalls of taking or using photos of copyright material, trademarks and people. Most countries, including the UK, are signatories to the WIPO treaties and this is a good general guide for most international jurisidictions.
Strickland is a London based firm of solicitors that specialises in intellectual property law, such as copyright. They act for many photographers who wish to protect or enforce their copyright in a range of dispute situations. They also assist photographer clients with licensing and terms and conditions issues. They offer fixed fees, and, in appropriate cases, no-win no-fee arrangements.
MWB are solicitors offering specialist advice & representation on IP issues including licensing, protection and infringement, where appropriate on a fixed low-cost tariff. One of the solicitors, Scott Gair, is a semi pro photographer with an understanding of not only the law, but the industry and technology too. Scott also publishes a free factsheet on copyright for photographers, downloadable from his MWB profile page.
IPP offer specialist legal assistance with UK photo copyright infringement claims, including working on a contingency fee basis. Despite a website that is offputtingly short on detail and looks dodgy as a result, feedback from EPUK members who have used IPP has been unfailingly positive.
Google Adsense provides a mechanism for copyright holders to have infringers Adsense participation and revenues curtailed.
This agency is responsible for the administration of US Copyright Registration and also contains the text of US Copyright legislation
This is the legislation that governs copyright in the UK.