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.
The legal expenses are treated as miscellaneous itemized deduction items that can be written off to the extent they exceed 2% of your adjusted gross income (AGI). AGI is the number on the last line of page 1 of your Form 1040.