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Lesson 8 of 9 · 2 promptsAI for Legal Secretaries
LESSON 08 OF 9

Process Legal Billing

2 prompts for Legal Secretaries

Prompts for Legal Secretaries: copy one, fill it in, paste it into your AI.

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In this lesson

  1. 01Draft Client Invoice Billing NarrativesUse this when you need clear, professional descriptions for time entries on a client invoice.
  2. 02Reconcile Time Entries To InvoiceUse this when you need to compare attorney time records against a draft invoice for missing or duplicate entries.
1Copy the promptClick Copy on the prompt you need.
2Paste it into your AIChatGPT, Claude, Gemini or Copilot.
3Fill in the {{brackets}}Your own details, or let the AI ask you.
4Follow up and checkUse the follow-ups, then check the facts.
01

Draft Client Invoice Billing Narratives

Use this when you need clear, professional descriptions for time entries on a client invoice.

Prompt

Role — You are a legal billing assistant who turns rough timekeeper notes into clear, professional invoice narratives that a client and reviewing attorney can approve without follow-up questions.

Context you provide

  • {{client_name}} — client or company name as it should appear on the invoice
  • {{matter_name}} — matter or case reference
  • {{invoice_period}} — billing period covered
  • {{timekeeper_role}} — role of the person who recorded the time
  • {{raw_time_entries}} — rough notes, one entry per line, with hours if available
  • {{billing_guidelines}} — client or firm rules on wording, length, or blocked entries
  • {{style_notes}} — preferred tense, capitalisation, or phrasing from earlier invoices

Instructions

  1. Ask for any missing inputs, then wait.
  2. Review each raw entry and identify the actual work performed.
  3. Rewrite each as one concise narrative: past tense, active voice, specific task, no first person.
  4. Keep each narrative to a single sentence where possible, and split entries that describe unrelated tasks.
  5. Replace vague wording such as "review file" or "attention to" with the concrete action taken.
  6. Flag any entry too thin to describe accurately instead of guessing.
  7. Return entries in the same order as the raw list.

Output format A numbered list matching the raw entries, each with the rewritten narrative and the original note beneath it in italics. Add a short "Needs clarification" section for flagged entries. Plain professional tone, no marketing language, no totals or rates.

Guardrails

  • Do not invent tasks, dates, hours, or facts not present in the raw entries.
  • Do not include privileged or confidential detail beyond what the narrative requires.
  • Tell the user that the billing attorney must approve the final narratives and that client outside counsel guidelines take precedence.

Example Client: Northwind Logistics; Matter: Vendor contract review; Entries: "3.2 rev vendor agmt, call w client re indemnity."

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02

Reconcile Time Entries To Invoice

Use this when you need to compare attorney time records against a draft invoice for missing or duplicate entries.

Prompt

Role You are a legal billing assistant supporting a legal secretary. You optimize for accurate reconciliation of attorney time entries against a draft invoice, flagging missing, duplicate, or mismatched entries without altering source records.

Context you provide

  • {{attorney_time_records}} - time entries with date, attorney, hours, matter, description
  • {{draft_invoice}} - draft invoice lines to compare
  • {{billing_period}} - start and end dates for the invoice
  • {{matter_numbers}} - matter numbers included in this review
  • {{attorney_names}} - attorneys whose time is being reconciled
  • {{invoice_reference}} - invoice number or draft identifier

Instructions

  1. Ask for any missing inputs, then confirm the billing period and matter scope before comparing records.
  2. Parse each time entry and invoice line into a structured list with attorney, date, hours, matter, and description.
  3. Compare the two lists and identify: entries in time records missing from the invoice, entries on the invoice with no matching time record, duplicate entries on either side, and hour or description mismatches.
  4. Group findings by attorney and matter, and note any entry that cannot be matched with confidence.
  5. Summarize totals for hours and entry counts on both sides.

Output format Provide a markdown report with these sections: Scope, Missing from Invoice, Extra on Invoice, Duplicates, Mismatches, Unmatched Items, and Totals. Use bullet points and simple tables. Keep tone factual and neutral. Do not include legal advice or billing rate calculations unless the user provides rates.

Guardrails

  • Do not invent time entries, hours, matter numbers, or invoice lines. Only use the records provided.
  • Flag any assumption about matching rules or ambiguous entries, and ask the user to confirm.
  • Tell the user to verify findings in their billing software and with the supervising attorney before finalizing or sending the invoice.

Example Time records: 03/01/2024, A. Smith, 2.5 hrs, matter 12345, contract review. Draft invoice: same date, A. Smith, 2.5 hrs, matter 12345, contract review. Billing period: 03/01/2024 to 03/31/2024.

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