Based on the provided sources, it is unclear whether there is a specific time limit for receiving Vascepa assistance. The sources do not explicitly mention any limitations on the duration of assistance. However, it is important to note that the sources provide information about Vascepa, its patent status, its official website, and its FDA label. None of these sources directly address the duration of Vascepa assistance.

To obtain accurate information regarding the duration of Vascepa assistance, it is recommended to contact the manufacturer of Vascepa directly or consult with a healthcare professional. They will be able to provide specific details about any limitations or restrictions on receiving assistance for Vascepa.

Sources:
[1] Drug Patent Watch: https://www.drugpatentwatch.com/p/tradename/VASCEPA
[2] Vascepa Official Website: https://www.vascepa.com/
[3] FDA Label for Vascepa: https://www.accessdata.fda.gov/drugsatfda_docs/label/2019/202057s035lbl.pdf