Don't Sit On Your Copyright Infringement Claim!
Because copyrights are governed by federal law, there is only one statute of limitations for claims related to them. Copyright infringement claims have a three-year statute of limitations from the "last act" of the infringement. What constitutes the last act can vary. For example, if your image is published in a newspaper without your permission, you have three years from the date that the newspaper was distributed to file your claim in court. But if the infringement is continuing, such as when someone is using your image on the web without your consent, then the time to calculate the statute has not started to run. Instead, it would start when your photo is removed from the website. Determining when a statute has started to run can get a bit tricky. It sometimes starts when you have "constructive" notice of the infringement, even if you don't have actual knowledge of it.
If someone uses your photo without your permission, you may seek legal remedy from that person within three years of the last act of infringement. So don't sit on your claim once you have it. Note, however, to pursue any copyright infringement claims in court, you must first register your copyright with the U.S. Copyright Office.
Take my advice; get professional help.
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