Commercial uses of copyright-protected works include publishing, broadcasting, and so on.
The best way to get a copyrighted photo release from a company no longer in business is through the copyright office. There office will have appropriate information on the owner of the copyright and contact information.
Confidentiality information most likely just has more to do with information that concerns a person or group of persons, while sensitive information might be more about business activities, such as business plans or copyright information.
The publisher, also called L'Illustration, is still in business. See the link below for contact information.
You cannot copyright a business name, but you can register it as a trademark.
The copyright symbol is a C in a circle, ©, but it should be mentioned that notification is not required for protection.
Usually a single clause is too short to qualify for copyright protection. If used in commerce, for example as a business slogan, it may be protected as a trademark.
No!!
Information--that is, straight facts--may not be protected by copyright; the expression of the information is.
A business holding a copyright on something can prevent others from abusing it, and make money by licensing its use.
The copyright on the font is the same regardless of its usage. The embedded metadata on the font software should include rights information.
You would want trademark protection rather than copyright protection. The trademark office of the country in which you wish to do business should have information online, and may have an online application process.
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