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Apply[Attorney Name or Party Name]
[Law Firm Name, if applicable]
[Address]
[City, State, ZIP Code]
[Phone Number]
[Email Address]
IN THE [NAME OF COURT]
FOR [COUNTY / DISTRICT / JURISDICTION]
[Plaintiff / Petitioner Name],
Plaintiff / Petitioner,
v.
[Defendant / Respondent Name],
Defendant / Respondent.
Case No.: [Case Number]
NOTICE OF RELATED CASE
[Name of Party] hereby gives notice that the above-captioned case is related to the case or cases identified below.
This notice is filed so that the Court and all parties are advised of the related matter or matters and may take any action permitted by applicable rule, order, or procedure.
Noticing Party: [Plaintiff / Defendant / Petitioner / Respondent / Other]
Counsel for Noticing Party, if applicable:
[Attorney Name]
[Law Firm Name]
[Address]
[Phone Number]
[Email Address]
Current Case Title: [Case Title]
Current Case Number: [Case Number]
Court: [Court Name]
Judge / Department, if known: [Judge / Department]
Brief description of current case:
[Insert short description]
The following case or cases are believed to be related:
Related Case 1:
Court: [Court Name]
Case Title: [Case Title]
Case Number: [Case Number]
Filing Date: [Date]
Judge / Department, if known: [Judge / Department]
Related Case 2:
Court: [Court Name]
Case Title: [Case Title]
Case Number: [Case Number]
Filing Date: [Date]
Judge / Department, if known: [Judge / Department]
Additional related cases, if any:
[Insert details]
The earliest-filed related case identified in this notice is:
Case Title: [Case Title]
Case Number: [Case Number]
Court: [Court Name]
Filing Date: [Date]
Judge / Department, if known: [Judge / Department]
The above cases are related because they involve:
☐ substantially the same parties
☐ substantially the same property
☐ substantially the same transaction or event
☐ overlapping claims or issues
☐ substantially similar facts
☐ risk of duplication of judicial effort
☐ risk of inconsistent rulings or results
☐ other basis: [Describe]
Detailed explanation of how the cases are related:
[Insert explanation]
The current procedural posture of each related case, to the extent known, is as follows:
[Describe whether pending, dismissed, on appeal, stayed, in discovery, set for trial, or otherwise]
The noticing party respectfully requests that the Court:
☐ take notice of the related case information
☐ consider whether the cases should be assigned to one judge or department
☐ coordinate proceedings to the extent permitted
☐ take any other action permitted by applicable rule or procedure
☐ no specific action requested at this time beyond notice
Additional request, if any:
The noticing party provides this notice based on information currently known and acknowledges any continuing duty that may apply under governing rules or court orders.
If additional related matters become known, supplemental notice may be provided as required.
Dated: [Date]
Signature: __________________________
Name: [Attorney Name or Party Name]
Title: [Attorney for Party / Self-Represented Party / Other]
Bar Number: [Bar Number, if applicable]
I certify that on [Date], I served a copy of this Notice of Related Case on the following person(s) or party(ies):
[Name] – [Address / Email]
[Name] – [Address / Email]
Method of Service:
☐ electronic filing system
☐ hand delivery
☐ other: [Specify]
Signature: __________________________
Name: [Attorney Name or Party Name]
Date: [Date]
Each template already follows legal structure and best practices.
The agreement is automatically filled and adapted to your inputs.
Check the generated document, make edits if needed, and download a ready-to-use agreement.
Click below for detailed info on the template.
For quick answers, scroll below to see the FAQ.
Frequently asked
A notice of related case is a court filing used to inform the court and the other parties that another case is related to the current case. California’s CM-015 form description states that it tells the court and the other party that there is another court case related to the current case.
You need a notice of related case to help the court identify overlapping matters and decide whether coordination, assignment to one judge, or other case-management steps may be appropriate. California Rule 3.300 requires the notice to identify the related cases and describe how they are related, while the Northern District of California’s related-case rule focuses on overlapping parties, property, transactions, or events and the risk of duplicated work or conflicting results if different judges handle the matters.
Use a notice of related case as soon as you know or learn that another case is related to the one you are handling. In California civil cases, the notice must be served and filed as soon as possible, but no later than 15 days after the facts concerning the existence of related cases become known, and the duty to provide notice is continuing.
Start with the court caption, case number, and the current case information. Then list each related case by court, case name, case number, and filing date, identify the earliest-filed case, and explain how the cases are related. Those are the core content items California Rule 3.300 requires.
AI Lawyer can help by organizing the notice into clear sections so each reviewer can find the case numbers, overlap explanation, and filing details quickly. It can also add internal reference fields, review notes, and placeholders that make revisions easier to track. A consistent structure helps reduce repeated edits and lowers the chance of missing key details like the earliest-filed case, the basis for relatedness, or service information before filing.
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