Explore the PTAB proceeding IPR2021-00489 filed by Polygroup Services, N.A., Inc. against WILLIS ELECTRIC CO., LTD. et al. on Feb 4, 2021. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.
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The table below shows documents filed in the case, listing each document name, filing date, document type, and filing party. Tracking these filings indicates the activity of the parties involved in the case, and the types of documents filed can provide insights into the legal strategies being employed.