CasePulse When a client changes lawyers mid-case in California, the court doesn’t take anyone’s word for it. The change becomes official through a substitution of attorney, filed on Judicial Council Form MC-050. Here is how the form works, the mistakes that delay it, and a question worth sitting with if you run a firm: why do clients file these at all?
How the MC-050 works
The form itself is short. It identifies the case, names the outgoing and incoming attorney (or the client, if they are proceeding self-represented), and needs three signatures: the client, the attorney being replaced, and the attorney taking over. Once signed, it gets filed with the court and served on every other party in the case.
Until the filed substitution is in place, the outgoing attorney remains counsel of record, with all the obligations that carries. And timing matters: close to trial, some courts require a noticed motion rather than a simple substitution, because a late attorney change can delay proceedings. Local rules and the current version of the form control, so check both.
The mistakes that slow it down
- Chasing signatures in the wrong order. The outgoing attorney is often the slowest to sign. Send the form to them early, not last.
- Forgetting service. Filing with the court is not enough; every party must be served, and a proof of service filed.
- Assuming deadlines pause. They don’t. Discovery responses and hearing dates keep running while the paperwork circulates.
Why clients switch: the part firms should read twice
Ask attorneys why a client left a previous firm and the answer is almost never “bad lawyering.” It is almost always some version of “they never heard from anyone.” Clients rarely have the ability to judge legal strategy. They can absolutely judge whether their calls get returned, and silence reads as neglect regardless of how much work is actually happening on the file.
That cuts both ways. If your firm is the one being replaced, the substitution form is a lagging indicator of a communication problem that started months earlier. If your firm is the one taking over, you are inheriting a client whose trust is already damaged, and the first weeks decide whether history repeats.
Onboarding the transferred client
The incoming firm’s best move is making the case visibly active from day one. Firms using CasePulse do this by inviting the transferred client into a branded portal immediately: the client watches the file-transfer and records work happen as status updates, instead of wondering whether the new firm has gone quiet like the last one. Because it connects to Neos, Needles, LawBase, and Litify, those updates come from the work staff already record. The walkthrough shows what the client sees.
Quick answers
Does the client need the old attorney’s permission? No. Clients have the right to choose counsel. The prior firm may assert a lien for fees and costs already earned, which the new firm typically resolves out of any recovery.
Is court approval required? For a signed, uncontested substitution, generally filing and service complete it. Near trial or without the outgoing attorney’s signature, expect a motion instead.
Where does the form live? The California Courts self-help site hosts the current MC-050. Use the current revision; courts reject stale versions.
Is this legal advice? No. Procedures vary by court; the current form, local rules, and a California attorney govern.