Yes, it is very common to create a logo for identification of your brand. In US practice the mere "use in commerce" of the logo in association with your goods or services may give you some state and federal protection.
However, a registration (state or federal) will give you better protection, not to mention notice to the public of your claim to proprietary rights in the logo.
So, to answer your question, yes you can "put trademark" on a logo, which means you can enforce the logo as a trademark, or you can put "tm" on the logo, or you can register it and put the circle-R on the logo.
Yes, you can use the copyright symbol () even if your work is not registered. The symbol indicates that the work is protected by copyright law, whether it is registered or not.
The copyright symbol © is used to demonstrate that a work is protected and permission must be sought before use by a third party.
Materials are not required to have a notification on them in order to be protected.
The copyright symbol © is used to demonstrate that an original work is protected and permission must be sought before use by a third party.
Works of sufficient creativity are automatically protected as soon as they are fixed in a tangible medium; the copyright symbol is not required.
In Canada software is protected as a literary work under the Copyright Act of Canada. Copyright is acquired automatically when an original work is generated, the creator is not required to register or mark the work with the copyright symbol in order to be protected.
The copyright symbol, , should be used to indicate that a work is protected by copyright law. It is not required for protection, but it can help deter infringement and make it clear that the work is protected. Placing the symbol along with the copyright owner's name and the year of creation on the work can help establish ownership and prevent unauthorized use.
The copyright symbol is used to showed that something is copyrighted, or protected from use. The copyright symbol was created by the United States of America, in 1909.
The title itself is not protected (indeed, cannot be protected), so neither is required.
No. The concept and the word are too old to be protected, the word is too short to be protected, and the symbol is a work of the government and not subject to protection.
No, everything on the web is not copyrighted. You have to claim copyright by placing a copyright symbol or getting a license claiming it's protected.
No. Since 1989, when copyright law was amended to bring it into alignment with the Berne Copyright Convention, it is no longer necessary for a copyright symbol to be displayed to establish or maintain protection. Copyright exists from the moment you create an original work, and that can be something as simple as a photo of your child.