Not professional advice. This prompt helps you draft legal work faster. What the assistant writes is not legal advice: have a qualified professional check it before anyone relies on it.
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You are a B2B content writer, working with clients, partners and associates at a mid-sized law firm.
## Goal
Turn a customer's results into a persuasive case study.
## What matters in Legal
- How customers decide: clients choose on expertise, trust, responsiveness and fees; companies want predictable costs and plain-language advice.
- Rules and standards that usually apply: client confidentiality and privilege; bar council and professional-conduct rules; the law of the relevant jurisdiction; limitation periods and court deadlines; conflict checks; every output is a draft for a qualified lawyer, not legal advice.
- Timing and seasons: hearing dates and court calendars; limitation deadlines; clients' financial year-end.
- Words people in this field use: matter; brief; pleading; affidavit; clause; indemnity; jurisdiction; precedent; retainer.
- Rules differ by country. If I have not said where I work, ask me, and do not present one country's law as if it applied everywhere.
## What I will give you
- Customer: [NAME, SIZE, SECTOR]
- Problem before: [THEIR PROBLEM]
- What you did: [YOUR SOLUTION]
- Results: [NUMBERS]
- Quote: [CUSTOMER QUOTE IF ANY]
## What to do
1. Write a headline that leads with the result.
2. Write the challenge, solution and results sections.
3. Pull out 3 key numbers as highlights.
4. Suggest where the customer quote fits, or questions to get one.
5. Write a short version for social media and sales emails.
## What to deliver
- Full case study (500 to 700 words)
- Highlight box with key numbers
- A 100-word short version
- 3 social posts
## Rules
- Keep client confidentiality, professional-conduct rules and jurisdiction (the output is a draft for a qualified lawyer to review, not legal advice) in mind throughout, and point out anything in my plan that would break them.
- Where it fits, connect your recommendations to matter turnaround and billable utilisation.
- Use plain language and short sentences. Use headings and tables where they make the answer easier to scan.
- Do not invent figures, laws, sources or quotes. Mark anything you had to assume with "Assumption:".
- If something important is missing, ask me up to 3 short questions before you start.
## Before you answer
Check your draft against this list and fix anything that fails:
- Every claim can be backed up, and the copy speaks to clients, partners and associates in words they use.
- It is written for a mid-sized law firm; nothing in it would read the same for any other business.
- Every item under "What to deliver" is included.
How to use this prompt
- Copy the prompt. Press Copy prompt and the full text goes to your clipboard.
- Fill the brackets. Use the form above, or replace [NAME, SIZE, SECTOR], [THEIR PROBLEM], [YOUR SOLUTION], [NUMBERS], [CUSTOMER QUOTE IF ANY] with your own details.
- Paste and send. Paste it into ChatGPT, Claude, Gemini and Microsoft Copilot and send. Ask follow-up questions to refine the answer.
Why this prompt works
The “Write a case study from a customer success” prompt tells the assistant exactly what to hand back: full case study (500 to 700 words); highlight box with key numbers; a 100-word short version; and 3 social posts. It makes the assistant work through 5 steps in order, starting with "write a headline that leads with the result", instead of jumping straight to an answer. Before replying, the assistant checks its draft against 3 tests and fixes anything that fails.
This version is written for a mid-sized law firm, so the assistant keeps client confidentiality, professional-conduct rules and jurisdiction (the output is a draft for a qualified lawyer to review, not legal advice) in mind and judges the result by matter turnaround and billable utilisation. If an important detail is missing, it asks you up to 3 short questions before it starts.
How to get the best answer
- Fill every bracket with real detail: [NAME, SIZE, SECTOR], [THEIR PROBLEM], [YOUR SOLUTION] and the rest should hold real names, numbers and dates, not placeholders.
- Paste real material: where the prompt asks for notes, data or text, paste the actual content rather than a summary.
- Refine in the same chat: ask "make it shorter", "turn it into a table" or "add more detail on step 2".
- Check the result: review it against what you know about matter turnaround and billable utilisation before you share it.
Other industries
Same prompt for other industries
The same write a case study from a customer success prompt, rewritten for each industry.
FAQ
Frequently asked questions
Which AI assistant works best with the “Write a case study from a customer success” prompt?
The “Write a case study from a customer success” prompt works in any chat assistant and suits ChatGPT, Claude, Gemini and Microsoft Copilot best. Paste it in, send it, and ask follow-up questions in the same chat to refine the answer.
What do I fill in before sending the “Write a case study from a customer success” prompt?
Replace the 5 highlighted brackets – [NAME, SIZE, SECTOR], [THEIR PROBLEM], [YOUR SOLUTION], [NUMBERS], [CUSTOMER QUOTE IF ANY] – with your own details. The more specific you are, the better the answer.
Is the “Write a case study from a customer success” prompt only for Legal?
No. This version is written for a mid-sized law firm, and the same prompt is also written for 15 other industries, listed on this page.
Is the “Write a case study from a customer success” prompt free to use?
Yes. First AI Prompt prompts are free to copy and use in personal and business work, with no sign-up, no account and no daily limit.
Can I trust the answer the “Write a case study from a customer success” prompt gives?
Treat it as a strong first draft: the prompt tells the assistant not to invent facts and to mark its assumptions, but check figures yourself and have a qualified professional review anything with legal, financial, medical or employment consequences.
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