How to file a crossclaim (Form 28A) — and autofill rcp-28a with my-id.ca
Commence a crossclaim between co-defendants without retyping party details
Defendants crossclaiming against a co-defendant repeat all party names, addresses, counsel contacts, and court file references on every Form 28A Crossclaim. This guide is an example of storing them once in my-id.ca.
Official form and source
Start from the official source and always use the current version — form numbers and links can change:
- Service page: Ontario Superior Court of Justice — ontariocourts.ca
- Form (Central Forms Repository): FORM 28A- Courts of Justice Act. Crossclaim — rcp-28a
What this form is about
Form rcp-28a is Form 28A — Crossclaim under the Courts of Justice Act and Rules of Civil Procedure, where one defendant claims against another defendant — confirm joinder on ontariocourts.ca.
Before you start: what to gather
- Crossclaimant defendant legal name and address.
- Crossclaim defendant (co-defendant) name and address.
- Plaintiff and other parties for reference.
- Counsel contacts and court file number.
Confirm the current process on ontario.ca.
How my-id.ca makes it faster
- Save it once. Store your plaintiff, defendant, and counsel identity details in your my-id.ca profile.
- Keep documents ready. Upload supporting documents to my-id.ca Files so you are not searching at form time.
- Autofill the form. Use the my-id.ca Chrome extension on a web form, or fill a PDF from your saved profile inside my-id.ca.
- Review and submit yourself through the official channel.
Why do it in my-id.ca
Related Ontario forms repeat the same personal details. Captured once in my-id.ca — stored in Canada, with AI on its own servers — every form starts mostly complete.
Frequently asked questions
- How is a crossclaim different from a counterclaim?
- A crossclaim is between defendants; a counterclaim is typically by a defendant against the plaintiff.
- How does my-id.ca help?
- It autofills co-defendant names and addresses across pleadings.
- What defence form follows?
- The crossclaim defendant may file Form 28B.
Fill it once. Reuse it everywhere.
Save your information in my-id.ca once, then autofill this form and the next one — web forms with the Chrome extension, PDFs right in the app. Your data is stored in Canada and AI runs on my-id.ca's own servers, never sent to third-party AI providers.