If it is a logo or name that you have designed and it goes outside of the state- is technically trademarked and protected under the common law?
Yes.
No, it is not permissible to use a trademarked logo for personal use without permission from the owner of the trademark.
Of Course it is.
No, it is generally not permissible to use a trademarked logo on a personal shirt without permission from the trademark owner.
Yes, they can.
Yes, but if your have not registered your company's logo with the trademark office, your logo can never be trademarked once you have used it and sold products with this logo. If you don't want another company copying or using a very similar logo, then I suggest you have it trademarked.
The World of Warcraft logo is trademarked. it can be used for personal usage as long as the trademark notice is included but cannot be used for commercial gain without express permission.
It was first used in 1947, and registered in 1957.
No, well they can, but the owner of the trademark can sue them for damages.
Logos are typically registered as trademarks; the tree logo of Element Skateboards has been protected since 1991.
To copy a trademarked logo for a new product design, you must obtain permission from the owner of the trademark. This typically involves licensing the logo for use on your product. It is important to follow legal procedures to avoid infringing on the trademark owner's rights.
No, you cannot use a company's trademarked logo without their permission for any reason.