If the logo is copyrighted then you need permission to use it.
No, you cannot use a company's trademarked logo without their permission for any reason.
no
You need to get permission first.
It depends on how you are using it.
Yes, it is illegal to use a company's logo on your website without their permission because logos are typically considered intellectual property and using them without authorization may infringe on the company's rights. It is best to seek permission or use alternative methods to represent the brand on your website.
One would contact Dell in order to get permission to use the Dell logo. Using their logo requires express written consent so one must contact them by phone, email or letter. They have contact information on their official website.
A few unlicensed uses have been judged to be fair use, but the vast majority of uses of another's trademark logo requires permission.
With permission.
No, not unless you have it written on paper that you are allowed to use their logo. In the copywrite world, it is considered stealing to use some company's logo without permission.
It is a blue capital "C" with a red maple leaf in the centre.
Yes. If the copyrighted police department logo is central to your story -- it may not be -- you can approach the municipality and request permission to use the image. Be prepared to show storyboards or other visual examples of how you intend the logo to be used in the story, and explain its pivotal place in the story. Once permission is granted -- in writing -- you can use the logo in the ways you describe using it when you request permission. Otherwise, hire a graphic artist to design a logo that conveys the authenticity that your script requires.