Public Domain

The public domain refers to works owned by the public. Any materials or works classed as being in the public domain are not protected by intellectual property laws.

This means you are free to use these works without having to seek permission from the original IP rights holder. 

All kinds of intellectual property can become public domain, this includes works of copyright, trademarks and patents. 

How Do Works End Up In The Public Domain?

Most often, works become the property of the public domain as IP rights have expired, have not been renewed or the creator has died. 

Occasionally, an owner of IP rights may also intentionally place their work into the public domain. 

It is possible for works to be falsely attributed as being in the public domain, so it is imperative that you check all details carefully prior to use. 

Checking If Something Is Public Domain

In Australia, it is possible to review the status of patents and trademarks via IP Australia’s website. For copyright, as there is no registration process, you will need to investigate whether it is now in the public domain. 

The current general rule is that copyright lasts for the life of the author, plus 70 years. Changes to copyright law implemented in 1995 could mean an earlier entry to the public domain. 

This includes if the creator died before 1 January 1955, and/or the work was ‘made public’ before January 1955. 

Some websites track when popular works become public domain to allow for easier determination, however, there is no formal government database for this.

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