Public domain in the context of "Behind the Screen"

Webster's Dictionary is any of the US English language dictionaries edited in the early 19th century by Noah Webster (1758–1843), a US lexicographer, as well as numerous related or unrelated dictionaries that have adopted the Webster's name in his honor. "Webster's" has since become a genericized trademark in the United States for US English dictionaries, and is widely used in dictionary titles.

Merriam-Webster is the corporate heir to Noah Webster's original works, which are in the public domain.

Novelty is one of the patentability requirements for a patent claim, whose purpose is to prevent issuing patents on known things, i.e. to prevent public knowledge from being taken away from the public domain.

An invention is anticipated (i.e. not new) and therefore not patentable if it was known to the public before the priority date of the patent application. Although the concept of "novelty" in patent law appears simple and self-explanatory, this view is very far from reality. Some of the most contentious questions of novelty comprise:

Universal Newsreel (sometimes known as Universal-International Newsreel or just U-I Newsreel) was a series of 7- to 10-minute newsreels that were released twice a week between 1929 and 1967 by Universal Studios. A Universal publicity official, Sam B. Jacobson, was involved in originating and producing the newsreels. Nearly all of them were filmed in black-and-white, and many were narrated by Ed Herlihy. From January 1919 to July 1929, Universal released International Newsreel, produced by Hearst's International News Service—this series later became Hearst Metrotone News released first by Fox Film Corporation 1929–1934 and then by Metro-Goldwyn-Mayer beginning in 1934.

In 1974, the films' owner, MCA, made the decision to donate all its edited newsreels and outtakes collection to the National Archives, without copyright restrictions. The decision effectively released the films into the public domain, although some stories may contain other underlying intellectual property or proprietary use rights. Because royalties no longer have to be paid in order to broadcast them, Universal Newsreels have become a popular source of file footage. The History Channel made them a key part of the TV series Year-By-Year. Also, C-SPAN and CNN regularly use the films for video of events that took place before those networks were founded. Nevertheless, much of the footage was lost in the 1978 National Archives vault fire which destroyed about 12.6 million feet of 35mm black and white negatives, or about 70% of the MCA-U donation. Most of the nitrate film was irreplaceable single-copy outtakes from WWII that had never been seen by the public.

The Encyclopædia Britannica Eleventh Edition (1910–1911) is a 29-volume reference work, an edition of the Encyclopædia Britannica. It was developed during the encyclopaedia's transition from a British to an American publication. Some of its articles were written by the best-known scholars of the time. This edition of the encyclopaedia, containing 40,000 entries, has entered the public domain and is readily available on the Internet. Its use in modern scholarship and as a reliable source has been deemed problematic due to the outdated nature of some of its content. Nevertheless, the 11th edition has retained considerable value as a time capsule of scientific and historical information, as well as scholarly attitudes of the era immediately preceding World War I.

King Kong is a 1933 American pre-Code adventure horror monster film directed and produced by Merian C. Cooper and Ernest B. Schoedsack, with special effects by Willis H. O'Brien and music by Max Steiner. Produced and distributed by RKO Radio Pictures, King Kong is the first film in the self-titled franchise, combining live action sequences with stop-motion animation using rear-screen projection. The idea for the film came when Cooper decided to create a motion picture about a giant gorilla struggling against modern civilization. The film stars Fay Wray, Robert Armstrong, and Bruce Cabot. The film follows a giant ape dubbed Kong who feels affection for a beautiful young woman offered to him as a sacrifice.

King Kong premiered in New York City on March 2, 1933, to many rave reviews, with praise for its stop-motion animation and musical score. During its initial run, the film earned a profit of $650,000, which increased to $2,847,000 by the time of its re-release in 1952. Various scenes were deleted by censors, and in 1970, they were restored. Later, in 1991, the film was deemed "culturally, historically and aesthetically significant" by the Library of Congress and selected for preservation in the National Film Registry. In 2010, the film was ranked by Rotten Tomatoes as the greatest horror film of all time and the fifty-sixth greatest film of all time. Various new editions of the film have also been released. A sequel, entitled Son of Kong, was made the same year as the original film, and several more films have been made, including two remakes in 1976 and 2005, respectively. The characters and story have since entered the public domain; the film's copyright is set to expire in 2029 in the US. Analysis of the film has included such topics as racial stereotypes, Ann's relationship with the other characters, and the struggle between nature and civilization.

The Federal Register (FR or sometimes Fed. Reg.) is the official journal of the federal government of the United States that contains government agency rules, proposed rules, and public notices. It is published every weekday, except on federal holidays. The final rules promulgated by a federal agency and published in the Federal Register are ultimately reorganized by topic or subject matter and codified in the Code of Federal Regulations (CFR), which is updated quarterly.

The Federal Register is compiled by the Office of the Federal Register (within the National Archives and Records Administration) and is printed by the Government Publishing Office. There are no copyright restrictions on the Federal Register; as a work of the U.S. government, it is in the public domain.

Free content, libre content, libre information, or free information is any kind of creative work, such as a work of art, a book, a software program, or any other creative content for which there are very minimal copyright and other legal limitations on usage, modification and distribution. These are works or expressions which can be freely studied, applied, copied and modified by anyone for any purpose including, in some cases, commercial purposes. Free content encompasses all works in the public domain and also those copyrighted works whose licenses honor and uphold the definition of free cultural work.

In most countries, the Berne Convention grants copyright holders control over their creations by default. Therefore, copyrighted content must be explicitly declared free by the authors, which is usually accomplished by referencing or including licensing statements from within the work. The right to reuse such a work is granted by the authors in a license known as a free license, a free distribution license, or an open license, depending on the rights assigned. These freedoms given to users in the reuse of works (that is, the right to freely use, study, modify or distribute these works, possibly also for commercial purposes) are often associated with obligations (to cite the original author, to maintain the original license of the reused content) or restrictions (excluding commercial use, banning certain media) chosen by the author. There are a number of standardized licenses offering varied options that allow authors to choose the type of reuse of their work that they wish to authorize or forbid.