"You treat product names the same way, just as you would a personal name."?

Yes, it's good. The 'just as you would a personal name' describes way - it defines and modifies.

Yes, there are other ways to say that - but because someone else would say the thought differently does not make yours incorrect.

"The same way" and "just as" are redundant. Use either one but not both. And no comma. Simplest and best is "you treat product names just like personal names."

there is nothing wrong with the sentence grammatically but the meaning is not clear - to me, anyway. perhaps because it's out of context.

No. try "You treat product names the same way as you would a personal name."
Or "You treat product names just as you would a personal name."

No, not like that. Phrase it like this: "You treat product names in the same way as you would a personal name."

Depends what you want to say, and what you have already said to set that remark in context.

As it is, that sentence is not good English. I think what you want to say is: "You should treat product names in the same way as you treat the names of people". (or possibly: "...as you treat personal names")

There is logical inconsistency between "names" (plural) in the first part, and "name" (singular) in the second part of your sentence..

No, that sentence does not make sense. The same way as what? It doesn't specify.

As for the first reply to this post, it's actually "Happy Hallowe'en".

No comma