While writing my own memoir, as I remember it, how can I avoid being sued for anything like defamation of character?

Even if you change names, if the persons depicted are still identifiable beyond just to their immediate family and close friends then this can...

Is citation enough to allow me to include copyrighted research such as standards and frameworks in an education curriculum book

You are free to quote and refer to other's research. If you are using such large portion of another's work in your own that it amounts to...

We really more specifics to be helpful with something like this. Before you commit to anything, I suggest that you consult with a lawyer in...

Can I sue the hair stylist who cut my daughter hair without my permissio.?

No. Hair styling is a personal service. If your daughter is savvy enough to make an appointment with a hair stylist and pay for the service then...

As noted, this sounds like you would be creating derivative works and therefore infringing. There might be a better way to approach this....

Can I use portions of copyright protected videos for a for profit Education course?

I do think what you describe is likely a fair use of the content assuming you are only using a small amount of it, but this can still be...

This gets very chewy. There is nothing straight up unlawful about repackaging a product and reselling. In fact this happens all the time. For...

How much trouble will someone get in if they resell digital courses illegally?

I mean run the risk of being sued for infringement and those damages can be very high. Before you jump into anything, I suggest that you...

Can I slightly alter Disney characters and use them for a promotion for my business

You are free to use whatever is actually now in the public domain, but not that which is still covered by copyright protection. So the original...

Do I need to ask a company if they have the rights to buy a copyright decal from my website?

I don't believe the DMCA is relevant here. You should probably make sure your agreement with the customers covers adequately for such an event...