(September 20, 2022, 10:24 AM EDT) -- WILMINGTON, Del. — An insurer owes a duty to defend its insured against underlying bodily injury suits arising out of exposure to Paraquat, a chemical compound manufactured by the insured for use in herbicides, because a letter from a law firm sent to the insured a year before the policies at issue incepted did not constitute a claim for damages, a Delaware judge determined in an Aug. 24 opinion that was unsealed Sept. 6....