Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to defend against intellectual property violation charges [title] Study the demand letter. [step] Usually, any claim that you are violating someone else's intellectual property rights will come in the form of a demand letter. This is sometimes also referred to as a " cease and desist " letter, if the remedy that is suggested is that you stop using whatever item of intellectual property it is.

Ending1: [substeps] Reading the demand letter slowly and patiently will help you understand exactly what the person wants and needs from you. Read the demand letter carefully so that you don't miss any important information. Ending2: It is also often accompanied by a summary of the reason why the use of the material is illegal. [substeps] Ask witnesses, such as those who were the victim of intellectual property infringement. Ending3: This letter may be written directly by the owner or by an attorney. [title] Determine what type of intellectual property is involved. Ending4: [substeps] A demand letter should include a deadline for responding to your demand letter. In the " cease and desist " letter, you should include two lines that read, " i have to respond to this letter as soon as possible.

Answer format: ending1/ending2/ending3/ending4