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A work created by an employee as part of their job, or certain commissioned works, where the employer or commissioner is considered the copyright owner.

A work that consists of individual contributions assembled into a collective whole, like anthologies or compilations.

The length of time that copyright protection is granted for a work.

A license granted by the copyright holder to allow music to be paired with visual images as part of a film or video.

Refers to works whose intellectual property rights have expired, been forfeited, or are inapplicable.

The violation of a copyright owner's exclusive rights, without permission.

An international agreement governing copyright protection, which provides automatic protection of original works among its signatory countries.

A work based on or derived from one or more already existing works.

A license that allows someone to use a copyrighted work without the copyright holder's permission, under specific conditions.

A legal doctrine that allows the purchaser of a legally obtained copyrighted work to resell that particular item without permission.

A legal right granted to the creator of an original work, including the right to copy, distribute, and adapt the work.

Predetermined damages awarded to a copyright holder when infringement has occurred, in lieu of actual damages.

A derogatory term for a person or entity that enforces copyrights they own for the primary purpose of obtaining settlement fees rather than protecting the creative work.

A contractual agreement by which a copyright holder allows a third party to use the copyrighted material under certain terms.

A legal doctrine that permits limited use of copyrighted material without acquiring permission from the rights holders.

The process of recording the copyright of a work with a copyright office, which may provide legal advantages in case of infringement.

Technological solutions designed to control how digital copyright works can be used, copied, and distributed.

A nonprofit organization that enables the sharing and use of creativity and knowledge through free legal tools.

A statement placed on copyrighted material to inform about the existence of copyright and usually includes the copyright symbol, year of first publication, and the name of the copyright holder.

The process of obtaining permission from the copyright holder to use their work.

The extension of copyright protection beyond its original term, which is not necessary in all jurisdictions.

Legislation or legal action that has the effect of prolonging the duration of copyrights beyond the original term set by copyright law.

A legal instrument of the European Union designed to harmonize copyright laws across member states.

A use of copyrighted material that adds new expression, meaning, or message to the original, often impacting the fair use analysis.

Rights of creators to have their work attributed to them and to have the integrity of the work respected.

Submitting copies of a work to a copyright office, sometimes required for registration.

Rights that allow the copyright holder to derive financial reward from the use of their works by others.

Copyrighted material for which the copyright owner cannot be identified or located.

The right of the copyright holder to control public performances of their works, such as plays, music, and films.