Can I use the first (or last) names of movie or TV characters (like Luke and Leia) on a t-shirt that I plan to sell?

The "recognizable names" are probably associated with someone's intellectual property, i.e., copyright or trademark. If so then your use may be...

Defend against taking "intellectual property and other form of property"? Vendor-client relationship

There are contract issues involved. You should confer with a litigator who has Intellectual Property experience.

If the assignee of a US patent fails to pay a maintenance fee and th patent goes abandoned, can the inventor reclaim the patent?

Abandoned Patent's, for failure to pay a maintenance fee, can be revived. You'll need advice from an Intellectual Property attorney having Patent...

Can I patent a new "medical" use for an existing an existing storage container?

If the storage container is patented then the inventor has the right to all "uses" including the ones he or she did not think of. If the storage...

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Patent agent filed provisional patent app for me but it only covered two weeks...

1. You state that you were waiting on it(news of the Provisionl) before releasing public. If you have done nothing re: publication, public use,...

Can I gain profit from a blog that has external links to copyrighted material?

Original works of authorship, including videos if original to you, are copyright properties, i.e., the "copyright" arises as the work is made. The...

A Looney Tune mask probably portrays a character comprising a copyright property. If so then the mask is probably likewise protected. A question...

Can I use state license plates in retail packaging?

You take a picture of a license plate and photoshop product information onto the plate-probably not a problem. Regarding buildings, it is likely...

Can I use famous quotes in a non profit video I am making?

Getting into business, as in "publishing famous quotes", has many start up expenses. There may be a fair use opportunity depending on your use...

Can I use trademark and/or brand names in my game?

The "names" you might use are likely "names" very familiar to your target marked. And they are the companies which carefully police the use of...