In response to above name changes. Its usually more complicated at the business level and they usually want to rebrand for legal reasons and recognition. Usually large monopolies buying up small or key companies for growth and market share or strategic positioning. Unless a merger or complete buy out.
They have to change the name, but not sure what to change to. And theirs the foreign investors who need recognition under the new image with an image they can relate to. National , International laws
Taco Bell is owned by either pepsi or coca cola and they own a huge list of other companies. when you look at the list its huge
Techie companies try to rebrand, when in fact the old name has more impact and value in image. But for corporate laws and legal reasons they have to find a new identity.
Example : Selling the company, assets , everything but the copy righted name.
I know a couple silicon valley executives who sold companie and wanted to protect their faithful employees so they sold to the employees with hold back s and retained all copyrights ,names ,corporate rights so if the program did not work out in the repayment process .
They could restart the company under original status. one of them eventually got the company back. I have known some in past with huge attorney bills and process's to make the sale. Months and Months of time for the process.