Wu v. Apollo Investment Holding Co., LLC
Wu v. Apollo Investment Holding Co., LLC is a federal patent lawsuit filed on 03/27/2026 in the District Court, E.D. Wisconsin. The case is currently open in the federal court system.
- Court
- District Court, E.D. Wisconsin (E.D. Wis.)
Official Court Website → - Assigned judge
- William C. Griesbach · 280 cases in index
- Docket number
- 2:26-cv-00507
- Cause
- 28:2201 Declaratory Judgment
28 U.S.C. § 2201 — Declaratory judgment - Nature of suit
- 830 Patent
Infringement of a patented invention. - Jurisdiction
- Federal Question
- Jury demand
- Plaintiff
- Date filed
- 03/27/2026
723 Patent cases in this court are indexed here.
Parties
- plaintiff · Wu · 353 cases
- defendant · Apollo Investment Holding Co., LLC
Filings & Documents
-
#1 · Complaint for Declaratory Judgment with Jury Demand; Against Apollo Investment Holding CO., LLC by Xiaohui WU, Cangnan County NEW Vibration Plastic Film CO., LTD.. (Solter, Benjamin) (Additional Attachment (s) Added on 3/30/2026: # 8 Civil Cover Sheet Updated)
- Ex. a Amazon Notice to Happy Memory
- Ex. B Amazon Notice to Woi Life
- Ex. C Apex Notice to Happy Memory
- Ex. D Apex Notice to Woi Life
- Civil Cover Sheet
- Summons
- Form AO 120
-
#1 · Complaint for Declaratory Judgment with Jury Demand; Against Apollo Investment Holding CO., LLC by Xiaohui WU, Cangnan County NEW Vibration Plastic Film CO., LTD.. (Solter, Benjamin) (Additional Attachment (s) Added on 3/30/2026: # 8 Civil Cover Sheet Updated)
- Ex. a Amazon Notice to Happy Memory
- Ex. B Amazon Notice to Woi Life
- Ex. C Apex Notice to Happy Memory
- Ex. D Apex Notice to Woi Life
- Civil Cover Sheet
- Summons
- Form AO 120
-
#1 · Complaint for Declaratory Judgment with Jury Demand; Against Apollo Investment Holding CO., LLC by Xiaohui WU, Cangnan County NEW Vibration Plastic Film CO., LTD.. (Solter, Benjamin) (Additional Attachment (s) Added on 3/30/2026: # 8 Civil Cover Sheet Updated)
- Ex. a Amazon Notice to Happy Memory
- Ex. B Amazon Notice to Woi Life
- Ex. C Apex Notice to Happy Memory
- Ex. D Apex Notice to Woi Life
- Civil Cover Sheet
- Summons
- Form AO 120
-
#1 · Complaint for Declaratory Judgment with Jury Demand; Against Apollo Investment Holding CO., LLC by Xiaohui WU, Cangnan County NEW Vibration Plastic Film CO., LTD.. (Solter, Benjamin) (Additional Attachment (s) Added on 3/30/2026: # 8 Civil Cover Sheet Updated)
- Ex. a Amazon Notice to Happy Memory
- Ex. B Amazon Notice to Woi Life
- Ex. C Apex Notice to Happy Memory
- Ex. D Apex Notice to Woi Life
- Civil Cover Sheet
- Summons
- Form AO 120
-
#1 · Complaint for Declaratory Judgment with Jury Demand; Against Apollo Investment Holding CO., LLC by Xiaohui WU, Cangnan County NEW Vibration Plastic Film CO., LTD.. (Solter, Benjamin) (Additional Attachment (s) Added on 3/30/2026: # 8 Civil Cover Sheet Updated)
- Ex. a Amazon Notice to Happy Memory
- Ex. B Amazon Notice to Woi Life
- Ex. C Apex Notice to Happy Memory
- Ex. D Apex Notice to Woi Life
- Civil Cover Sheet
- Summons
- Form AO 120
-
#1 · Complaint for Declaratory Judgment with Jury Demand; Against Apollo Investment Holding CO., LLC by Xiaohui WU, Cangnan County NEW Vibration Plastic Film CO., LTD.. (Solter, Benjamin) (Additional Attachment (s) Added on 3/30/2026: # 8 Civil Cover Sheet Updated)
- Ex. a Amazon Notice to Happy Memory
- Ex. B Amazon Notice to Woi Life
- Ex. C Apex Notice to Happy Memory
- Ex. D Apex Notice to Woi Life
- Civil Cover Sheet
- Summons
- Form AO 120
-
#1 · Complaint for Declaratory Judgment with Jury Demand; Against Apollo Investment Holding CO., LLC by Xiaohui WU, Cangnan County NEW Vibration Plastic Film CO., LTD.. (Solter, Benjamin) (Additional Attachment (s) Added on 3/30/2026: # 8 Civil Cover Sheet Updated)
- Ex. a Amazon Notice to Happy Memory
- Ex. B Amazon Notice to Woi Life
- Ex. C Apex Notice to Happy Memory
- Ex. D Apex Notice to Woi Life
- Civil Cover Sheet
- Summons
- Form AO 120
-
#1 · Complaint for Declaratory Judgment with Jury Demand; Against Apollo Investment Holding CO., LLC by Xiaohui WU, Cangnan County NEW Vibration Plastic Film CO., LTD.. (Solter, Benjamin) (Additional Attachment (s) Added on 3/30/2026: # 8 Civil Cover Sheet Updated)
- Ex. a Amazon Notice to Happy Memory
- Ex. B Amazon Notice to Woi Life
- Ex. C Apex Notice to Happy Memory
- Ex. D Apex Notice to Woi Life
- Civil Cover Sheet
- Summons
- Form AO 120
-
#1 · Complaint for Declaratory Judgment with Jury Demand; Against Apollo Investment Holding CO., LLC by Xiaohui WU, Cangnan County NEW Vibration Plastic Film CO., LTD.. (Solter, Benjamin) (Additional Attachment (s) Added on 3/30/2026: # 8 Civil Cover Sheet Updated)
- Ex. a Amazon Notice to Happy Memory
- Ex. B Amazon Notice to Woi Life
- Ex. C Apex Notice to Happy Memory
- Ex. D Apex Notice to Woi Life
- Civil Cover Sheet
- Summons
- Form AO 120
- #2 · Disclosure Statement by Cangnan County NEW Vibration Plastic Film CO., LTD., Xiaohui WU. (Solter, Benjamin) 03/27/2026 Request Document
- Notice of Judge Assignment 03/30/2026 Request Document
- Notice Regarding Assignment of This Matter to Judge William C Griesbach; Consent/refusal Forms for Magistrate Judge Dries to Be Filed Within 21 Days; the Consent/refusal Form Is Available Here 03/30/2026 Request Document
- Summons Issued 03/31/2026 Request Document
- Summons Issued as to Apollo Investment Holding CO LLC 03/31/2026 Request Document
- #3 · Report to the Commissioner of Patents and Trademarks 03/31/2026 Request Document
- #4 · Notice of Appearance 04/24/2026 Request Document
- #5 · Waiver of Service Executed 04/28/2026 Request Document
- #6 · Notice of Voluntary Dismissal 06/02/2026 Request Document
These are public U.S. federal court records. Filings already in the free RECAP archive can be viewed at no charge; “Request document” retrieves a copy from PACER on your behalf for a convenience fee. The same records are available directly from PACER and the court.
Part of a Larger Litigation Pattern
This is one of 2 Patent cases in our index naming APOLLO INVESTMENT HOLDING CO., LLC — a possible mass-tort or coordinated-litigation cluster.
About Patent Lawsuits
Patent lawsuits allege infringement of a patented invention — that another party made, used, or sold a protected technology without authorization. These cases are common in technology and pharmaceutical industries.
Frequently Asked Questions
What is Wu v. Apollo Investment Holding Co., LLC?
Wu v. Apollo Investment Holding Co., LLC is a federal patent lawsuit filed on 03/27/2026 in the District Court, E.D. Wisconsin. The case is currently open in the federal court system. Patent lawsuits allege infringement of a patented invention — that another party made, used, or sold a protected technology without authorization. These cases are common in technology and pharmaceutical industries.
What type of case is this?
It is classified as “Patent” under the federal nature-of-suit system. Patent lawsuits allege infringement of a patented invention — that another party made, used, or sold a protected technology without authorization. These cases are common in technology and pharmaceutical industries.
What court is the case in?
The case is in the District Court, E.D. Wisconsin, docket number 2:26-cv-00507.
When was the case filed?
Wu v. Apollo Investment Holding Co., LLC was filed on 03/27/2026. The case is currently open.
What law is the case brought under?
The docket lists the cause as 28 U.S.C. § 2201 — Declaratory judgment.
Other Cases Involving These Parties
Related Patent Cases
Source: public U.S. federal court record (docket 73108751).