s not apply to issues relating to the validity of contracts (such as whether they are void or voidable as against the public policy of one of the contracting states) (Art. 4(a)), or their effect on the property in the goods sold (which leaves out most sales on a secured basis) or to product liability claims which result in personal injury or death (Art. 5).
Nowhere in CISG are the terms "Sale" or "Goods" defined.
Agreements for the transfer by sale, lease or licensing of technology are not covered by CISG. There is some confusion about whether CISG applies to contracts involving the sale of computer hardware and software. Typically, there is a service component to all computer sales contracts. It is unclear whether the Convention applies to only part of the contract and whether computer software, which tells the computer hardware what to do, falls into the category of goods or services. Primak points out that often software is licensed or leased rather than sold outright. He
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