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Step 1
Contact an attorney specializing in intellectual property law if you find that yours has been stolen or infringed upon. While you can respond to such a theft on your own, intellectual property law has enough complexities that a lawyer's help can be crucial.
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Step 2
Register your claim to your intellectual property. Even if you do so after a theft, registration can be an important part of your case and may be required if you plan to sue an infringer.
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Step 3
Send a letter to the person infringing on your intellectual property, asking him to cease and desist. You may also send such a letter to that person's Internet service provider, if the person in question has posted your material online. An Internet service provider may ask you to prove your claim.
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Step 4
Document your creation of your intellectual property. The ideal documentation is registration, such as a copyright, trademark or patent. However, other items may help prove your claim, such as early versions.
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Step 5
Consider suing the person or group responsible for the theft of your intellectual property, either to force them to stop the infringement or for damages. The first is relatively easy, but for the second you will need to be able to demonstrate that their infringement literally cost you money.









