Mistwood Partnership v. DocuSign, Inc.
| Mistwood Partnership |
| DocuSign, Inc. |
| DocuSign, Inc. |
| Mistwood Partnership |
| 1:2026cv00187 |
| February 20, 2026 |
| U.S. District Court for the District of Delaware |
| William C Bryson |
| Patent |
| 35 U.S.C. § 271 Patent Infringement |
| Plaintiff |
Docket Report
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This docket was last retrieved on August 17, 2026. A more recent docket listing may be available from PACER.
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| Filing 47 DECLARATION of Chen Li in Support of Plaintiff Mistwood Partnership's Answering Brief in Opposition to Defendant DocuSign, Inc.'s Motion to Stay re #43 MOTION to Stay re #31 MOTION for Judgment on the Pleadings by Mistwood Partnership. (Attachments: #1 Exhibit A, #2 Exhibit B, #3 Exhibit C, #4 Exhibit D)(Golden, Ronald) |
| Filing 46 ANSWERING BRIEF in Opposition re #43 MOTION to Stay re #31 MOTION for Judgment on the Pleadings filed by Mistwood Partnership.Reply Brief due date per Local Rules is 8/24/2026. (Golden, Ronald) |
| Filing 45 NOTICE OF SERVICE of Defendant Docusign, Inc.'s Proposed Claim Constructions filed by DocuSign, Inc..(Sundermeir, Grayson) |
| Filing 44 OPENING BRIEF in Support re #43 MOTION to Stay re #31 MOTION for Judgment on the Pleadings filed by DocuSign, Inc..Answering Brief/Response due date per Local Rules is 8/25/2026. (Sundermeir, Grayson) |
| Filing 43 MOTION to Stay re #31 MOTION for Judgment on the Pleadings - filed by DocuSign, Inc.. (Attachments: #1 Text of Proposed Order)(Sundermeir, Grayson) |
Filing 42
ORDER: Granting D.I. #40 Motion to Appear Pro Hac Vice Appearance of Attorney James Mullen. Signed by Judge William C. Bryson on 8/11/2026. (slk)
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| Filing 41 Pro Hac Vice Fee - Credit Card Payment received for James Mullen. ( Payment of $ 50, receipt number ADEDC-5038793).(Sundermeir, Grayson) |
| Filing 40 MOTION for Pro Hac Vice Appearance of Attorney James Mullen - filed by DocuSign, Inc.. (Sundermeir, Grayson) |
| Pro Hac Vice Attorney James Mullen for DocuSign, Inc. added for electronic noticing. Pursuant to Local Rule 83.5 (d)., Delaware counsel shall be the registered users of CM/ECF and shall be required to file all papers. (slk) |
| Filing 39 NOTICE OF SERVICE of Defendant's Identification of Claims for Construction filed by DocuSign, Inc..(Sundermeir, Grayson) |
| Filing 38 REPLY BRIEF re #31 MOTION for Judgment on the Pleadings filed by DocuSign, Inc.. (Sundermeir, Grayson) |
| Filing 37 NOTICE OF SERVICE of Defendant Docusign, Inc.'s Preliminary Invalidity Contentions filed by DocuSign, Inc..(Sundermeir, Grayson) |
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Filing 36
ORDER, granting #35 STIPULATION TO EXTEND TIME for Defendant to file its Reply in Support of its Rule 12(c) Motion for Judgement on the Pleadings to July 27, 2026. Signed by Judge William C. Bryson on 07/17/2026. (jfm)
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| Filing 35 STIPULATION TO EXTEND TIME for Defendant to file its Reply in Support of its Rule 12(c) Motion for Judgement on the Pleadings to July 27, 2026 - filed by DocuSign, Inc.. (Sundermeir, Grayson) |
| Filing 34 ANSWERING BRIEF in Opposition re #31 MOTION for Judgment on the Pleadings With Certification of Word Count filed by Mistwood Partnership.Reply Brief due date per Local Rules is 7/20/2026. (Attachments: #1 Declaration of Hao Tan, #2 Exhibit Exhibit A to Declaration of Hao Tan)(Brauerman, Stephen) |
| Filing 33 NOTICE OF SERVICE of Defendant's (1) Objections and Responses to Plaintiff's First Set of Interrogatories (Nos. 1-15), (2) Objections and Responses to Plaintiff's First Set of Requests for Production (Nos. 1-34), and (3) First Supplemental 26(A)(1) Initial Disclosures filed by DocuSign, Inc..(Sundermeir, Grayson) |
| Case Reassigned to Judge William C. Bryson of the United States Court of Appeals for the Federal Circuit. Please include the initials of the Judge (WCB) after the case number on all documents filed.(rlr) |
| DEFICIENCY NOTICE by the Court issued to Defendant re #32 Opening Brief in Support: Pursuant to the Court's Standing Order Regarding Briefing in All Cases, dated November 10, 2022, "[t]he covers of briefs filed in connection with all motions except for motions in limine included in a pretrial order shall be as follows: i. Opening Brief - Blue; ii. Answering Brief - Red; iii. Reply Brief - Gray." Courtesy copies of D.I. #32 are not in compliance with the Court's standing order. Please resubmit courtesy copies of your brief with the corrected covers. (mws) |
| Filing 32 OPENING BRIEF in Support re #31 MOTION for Judgment on the Pleadings filed by DocuSign, Inc..Answering Brief/Response due date per Local Rules is 7/13/2026. (Sundermeir, Grayson) |
| Filing 31 MOTION for Judgment on the Pleadings - filed by DocuSign, Inc.. (Attachments: #1 Text of Proposed Order)(Sundermeir, Grayson) |
| Filing 30 NOTICE OF SERVICE of Disclosure of Asserted Claims and Infringement Contentions filed by Mistwood Partnership.(Golden, Ronald) |
| Filing 29 NOTICE OF SERVICE of Mistwood Partnership's First Set of Interrogatories (Nos. 1-15) and First Set of Requests for Production (Nos. 1-34) filed by Mistwood Partnership.(Golden, Ronald) |
| Pro Hac Vice Attorney Jacob D. Skebba for Mistwood Partnership added for electronic noticing. Pursuant to Local Rule 83.5 (d)., Delaware counsel shall be the registered users of CM/ECF and shall be required to file all papers. (oam) |
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Filing 28
STIPULATED PROTECTIVE ORDER. Signed by Judge Colm F. Connolly on 4/21/2026. (kmd)
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| Filing 27 Joint PROPOSED ORDER re agreed upon Proposed Protective Order by Mistwood Partnership. (Golden, Ronald) |
| Filing 26 NOTICE OF SERVICE of Def's Initial Disclosures Pursuant to Fed. Rule of Civil Procedure 26(A)(1) filed by DocuSign, Inc..(Sundermeir, Grayson) |
| Pro Hac Vice Attorney Lance E. Wyatt, Jr for DocuSign, Inc. added for electronic noticing. Pursuant to Local Rule 83.5 (d)., Delaware counsel shall be the registered users of CM/ECF and shall be required to file all papers. (scs) |
| Filing 25 NOTICE OF SERVICE of Initial Disclosures Pursuant to Federal Rule of Civil Procedure 26(a)(1) filed by Mistwood Partnership.(Golden, Ronald) |
| Filing 24 Pro Hac Vice Fee - Credit Card Payment received for Neil J. McNabnay, Lance E. Wyatt, and Noel F. Chakkalakal. ( re #23 MOTION for Pro Hac Vice Appearance of Attorney Neil J. McNabnay, Lance E. Wyatt, and Noel F. Chakkalakal )( Payment of $ 150, receipt number ADEDC-4949184).(Sundermeir, Grayson) |
| Filing 23 MOTION for Pro Hac Vice Appearance of Attorney Neil J. McNabnay, Lance E. Wyatt, and Noel F. Chakkalakal - filed by DocuSign, Inc.. (Sundermeir, Grayson) |
| Filing 22 Pro Hac Vice Fee - Credit Card Payment received for Neil J. McNabnay, Lance E. Wyatt, and Noel F. Chakkalakal. ( re #21 MOTION for Pro Hac Vice Appearance of Attorney Neil J. McNabnay, Lance E. Wyatt, and Noel F. Chakkalakal )( Payment of $ 150, receipt number ADEDC-4949098).(Sundermeir, Grayson) |
| Filing 21 MOTION for Pro Hac Vice Appearance of Attorney Neil J. McNabnay, Lance E. Wyatt, and Noel F. Chakkalakal - filed by DocuSign, Inc.. (Sundermeir, Grayson) |
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ORAL ORDER re #21 MOTION for Pro Hac Vice Appearance of Attorney Neil J. McNabnay, Lance E. Wyatt, and Noel F. Chakkalakal, filed by DocuSign, Inc. The motion is DENIED without prejudice to renew for failure to comply with Judge Connolly's Standing Order Regarding Pro Hac Vice Motions. Ordered by Judge Colm F. Connolly on 4/16/2026. (kmd)
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SO ORDERED, re #23 MOTION for Pro Hac Vice Appearance of Attorney Neil J. McNabnay, Lance E. Wyatt, and Noel F. Chakkalakal, filed by DocuSign, Inc. Ordered by Judge Colm F. Connolly on 4/16/2026. (kmd)
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| Pro Hac Vice Attorney Neil J. McNabnay for DocuSign, Inc. added for electronic noticing. Pursuant to Local Rule 83.5 (d)., Delaware counsel shall be the registered users of CM/ECF and shall be required to file all papers. (oam) |
| Pro Hac Vice Attorney Noel F. Chakkalakal for DocuSign, Inc. added for electronic noticing. Pursuant to Local Rule 83.5 (d)., Delaware counsel shall be the registered users of CM/ECF and shall be required to file all papers. (oam) |
| Filing 20 Pro Hac Vice Fee - Credit Card Payment received for Neil J. McNabnay, Lance E. Wyatt, and Noel F. Chakkalakal. ( Payment of $ 150, receipt number ADEDC-4948537).(Sundermeir, Grayson) |
| Filing 19 MOTION for Pro Hac Vice Appearance of Attorney Neil J. McNabnay, Lance E. Wyatt, and Noel F. Chakkalakal - filed by DocuSign, Inc.. (Sundermeir, Grayson) |
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ORAL ORDER re #19 MOTION for Pro Hac Vice Appearance of Attorney Neil J. McNabnay, Lance E. Wyatt, and Noel F. Chakkalakal, filed by DocuSign, Inc. The motion is DENIED without prejudice to renew for failure to comply with Judge Connolly's Standing Order Regarding Pro Hac Vice Motions. Ordered by Judge Colm F. Connolly on 4/15/2026. (kmd)
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Filing 18
SCHEDULING ORDER: Joinder of Parties due by 9/18/2026. Amended Pleadings due by 9/18/2026. Fact Discovery completed by 3/5/2027. Expert Discovery due by 6/18/2027. Dispositive Motions due by 8/6/2027. Joint Claim Construction Brief due by 11/13/2026. A Markman Hearing is set for 12/11/2026 at 09:00 AM in Courtroom 4B before Judge Colm F. Connolly. A Final Pretrial Conference is set for 3/1/2028 at 02:00 PM in Courtroom 4B before Judge Colm F. Connolly. A 5-Day Jury Trial is set to begin 3/13/2028 at 08:30 AM in Courtroom 4B before Judge Colm F. Connolly. Signed by Judge Colm F. Connolly on 4/9/2026. (mws)
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| Remark: The April 10, 2026 Telephonic Scheduling Conference is cancelled per the filing of a proposed scheduling order with no areas of dispute. (mws) |
| Filing 17 Letter to the Honorable Colm F. Connolly from Ronald P. Golden III regarding Proposed Scheduling Order. (Attachments: #1 Text of Proposed Order Proposed Scheduling Order)(Golden, Ronald) |
| Filing 16 ANSWER to #13 Answer to Complaint, Counterclaim by Mistwood Partnership.(Golden, Ronald) |
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Filing 15
Order Setting Telephonic Scheduling Conference: A Telephonic Scheduling Conference is set for 4/10/2026 at 02:00 PM before Judge Colm F. Connolly. If the parties have no disputes about the scheduling order, the Court will not require the parties to appear at a conference. Signed by Judge Colm F. Connolly on 3/19/2026. (mws)
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| Filing 14 Disclosure Statement pursuant to Rule 7.1: identifying Corporate Parent BlackRock, Inc. for DocuSign, Inc. filed by DocuSign, Inc.. (Sundermeir, Grayson) |
| Filing 13 ANSWER to #1 Complaint, with Jury Demand , COUNTERCLAIM against Mistwood Partnership by DocuSign, Inc..(Sundermeir, Grayson) |
| Filing 12 Supplemental Disclosure Statement pursuant to Rule 7.1: identifying Other Affiliate Peace Music Holdings LLC, Other Affiliate Simon Zhang, Other Affiliate Varun LLC, Other Affiliate Sreeram Prasad Veluchamy, Other Affiliate Fortunova Holdings LLC, Other Affiliate Mani (Vattur) Rajendran for Mistwood Partnership filed by Mistwood Partnership. (Golden, Ronald) |
| Filing 11 NOTICE requesting Clerk to remove Tianci Zhao as co-counsel. Reason for request: no longer associated with Arch & Lake LLP. (Golden, Ronald) |
| Pro Hac Vice Attorney Hao Tan & Shen Wang for Mistwood Partnership added for electronic noticing. Pursuant to Local Rule 83.5 (d)., Delaware counsel shall be the registered users of CM/ECF and shall be required to file all papers. (slk) |
| Pro Hac Vice Attorney Chen Li for Mistwood Partnership added for electronic noticing. Pursuant to Local Rule 83.5 (d)., Delaware counsel shall be the registered users of CM/ECF and shall be required to file all papers. (oam) |
| Pro Hac Vice Attorney Yu Di for Mistwood Partnership added for electronic noticing. Pursuant to Local Rule 83.5 (d)., Delaware counsel shall be the registered users of CM/ECF and shall be required to file all papers. (oam) |
| Filing 10 Pro Hac Vice Fee - Credit Card Payment received for Jacob Skebba and Chen Li. ( re #8 MOTION for Pro Hac Vice Appearance of Attorney Shen Wang, Hao Tan, Yu Di, Tianci Zhao, Christopher J. Fahy, Jacob Skebba, and Chen Li of Arch & Lake LLP )( Payment of $ 100, receipt number ADEDC-4909154).(Golden, Ronald) |
| Filing 9 Pro Hac Vice Fee - Credit Card Payment received for Shen Wang, Hao Tan, Yu Di, Tianci Zhao, and Christopher J. Fahy. ( re #8 MOTION for Pro Hac Vice Appearance of Attorney Shen Wang, Hao Tan, Yu Di, Tianci Zhao, Christopher J. Fahy, Jacob Skebba, and Chen Li of Arch & Lake LLP )( Payment of $ 250, receipt number ADEDC-4909148).(Golden, Ronald) |
| Filing 8 MOTION for Pro Hac Vice Appearance of Attorney Shen Wang, Hao Tan, Yu Di, Tianci Zhao, Christopher J. Fahy, Jacob Skebba, and Chen Li of Arch & Lake LLP - filed by Mistwood Partnership. (Attachments: #1 Certification of Shen Wang, #2 Certification of Hao Tan, #3 Certification of Yu Di, #4 Certification of Tianci Zhao, #5 Certification of Christopher J. Fahy, #6 Certification of Jacob Skebba, #7 Certification of Chen Li)(Golden, Ronald) |
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SO ORDERED, re #8 MOTION for Pro Hac Vice Appearance of Attorney Shen Wang, Hao Tan, Yu Di, Tianci Zhao, Christopher J. Fahy, Jacob Skebba, and Chen Li of Arch & Lake LLP filed by Mistwood Partnership. Ordered by Judge Colm F. Connolly on 2/26/2026. (mws)
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| Filing 7 STANDING ORDER REGARDING BRIEFING IN ALL CASES (mws) |
| Case Assigned to Judge Colm F. Connolly. Please include the initials of the Judge (CFC) after the case number on all documents filed. (alb) |
| Filing 6 SUMMONS Returned Executed by Mistwood Partnership.DocuSign, Inc. served on 2/24/2026, answer due 3/17/2026. (Golden, Ronald) |
| Filing 5 Summons Issued as to Docusign, Inc. on 2/20/2026. (jfm) |
| Filing 4 Disclosure Statement pursuant to Rule 7.1: No Parents or Affiliates Listed - filed by Mistwood Partnership. (jfm) |
| Filing 3 Report to the Commissioner of Patents and Trademarks for Patent/Trademark Number(s) 8,924,495; 8,799,385; 8,799,386. (jfm) |
| Filing 2 Notice, Consent and Referral forms re: U.S. Magistrate Judge jurisdiction. (jfm) |
| Filing 1 COMPLAINT for Patent Infringement with Jury Demand against DocuSign, Inc. (Filing fee $ 405, receipt number ADEDC-4905031) - filed by Mistwood Partnership. (Attachments: #1 Exhibit 1, #2 Exhibit 2, #3 Exhibit 3, #4 Exhibit 4, #5 Exhibit 5, #6 Exhibit 6, #7 Civil Cover Sheet)(jfm) |
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