A contact injury, such as a direct blow to the medial side (inside of knee), or a noncontact injury, such as a hyperextension stress. It is also commonly associated with an ACL tear which occurs with a high level of force and sports injury.
These types of legal fees are deductible as a business-related expense. You can deduct legal expenses incurred in your attempts to produce or collect taxable income as well as legal fees you pay in connection with the determination, collection, or refund of any tax.
Business-related legal fees are the most commonly deductible legal fees, though a variety of non-business related legal fees are also available. If you are unsure whether your legal fees are personal or business fees, ask yourself if you would have incurred the expense if you were not conducting business.