Magazine Marketing Public Domain Public Use 
Larson & Larson
FEBRUARY 13, 2021
The term covers anything that was sold in public, used publicly, described in a magazine or similar publication, or already has a patent on file with the patent office. It also includes designs that have been published anywhere in the world or things that have been used anywhere in the world.
Biswajit Sarkar Copyright Blog
JULY 19, 2022
There’s a significant probability that someone already owns the rights to the content even if you cannot locate an explicit declaration stating that it is intended for public use. It would be preferable to obtain written authorization from the copyright owners before using the original content.
Expert insights. Personalized for you.
52 
Let's personalize your content