I see that both phrases "in light of" and "in the light of" are used and people considering both to be correct. Look here and here. Also there is a large corpus supporting both phrases usages; you can consult here.
Question #1:
Though both seems to be correct in terms of being used in writings, which one is grammatically correct?
Question #2:
In there any difference in their meaning implications?
I am providing two examples:
- I will be happy to look at to them and respond to you in the light of your comments.
I will be happy to look at to them and respond to you in the light of your comments.
- Even in light of your comments, I still fail to understand what is the difference between A and B.
Even in light of your comments, I still fail to understand what is the difference between A and B.
Thanks