Deadline Assistant
Deadline Assistant: A web-based calendaring tool for firms managing court deadlines across teams. Ranked #10 of 20 in Legal Calendaring Software by our editors (7.9/10); pricing: Pricing on request; best for firms needing custom rules and calendar reach.
At a glance
- Editor score7.9 / 10
- PricingPricing on request
- Best forFirms needing custom rules and calendar reach
- Calendar syncOne-way
- Facts checked20 Sep 2026

Where it wins
- Calculates deadlines from federal, state, and local court rules
- Supports custom templates, rule sets, events, and matter permissions
- Connects with Outlook, Google Calendar, Yahoo Calendar, and mobile calendars
Where it doesn't
- Calendar synchronization is one-way
- Pricing requires contacting sales
- No AI features are included
Our verdict on Deadline Assistant
Deadline Assistant is legal calendaring software for law firms, legal departments, and matter teams managing litigation, transactional deadlines, and scheduling orders. It calculates deadlines from applicable federal, state, and local court rules, then centralizes deadline information across firms, departments, and matter teams. Users can edit dates, rename events, add notes, remove calendar events, and create custom templates for recurring case or transaction workflows.
Its strongest fit is an organization that needs court-rule calculations alongside flexible calendaring. Deadline Assistant supports custom rule sets and custom events, while matter-level permissions and role-based access help separate information across teams. It also provides automatic updates and reports on court-rule changes, with email alerts for applicable updates. Calendar access is centered on a Microsoft Outlook calendar view, and the product supports Microsoft Outlook, Google Calendar, Yahoo Calendar, Outlook.com, iPhone Calendar, and Android Calendar.
The main tradeoff is synchronization depth: the published specifications describe one-way calendar sync, so teams needing continuous two-way updates may prefer a different legal calendaring approach. The product is web-based, and its pricing model requires a sales conversation rather than a self-serve plan comparison. There are also no AI features. Firms that value rule-based deadline calculation, custom templates, permissions, and broad calendar reach should consider Deadline Assistant. Smaller teams seeking simple scheduling, transparent self-serve pricing, or two-way synchronization may find its model less suitable.
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Deadline Assistant pricing
Deadline Assistant fact sheet
| Free plan | Not verified |
|---|---|
| Paid from | Not verified |
| Deadline calculation | Automated |
| Court rule library | Yes |
| Statute limitations | Not verified |
| Calendar sync | One-way |
| Reminder channels | |
| Supported platforms | web |
| Deployment | Cloud |
| Platforms | Web |
| Support | Phone, Docs |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 6 integrations: Microsoft Outlook, Google Calendar, Yahoo Calendar, Outlook.com, iPhone Calendar, Android Calendar |
| Pricing | Pricing on request |
| Website | legal.thomsonreuters.com |
| Facts checked | 20 Sep 2026 |
Deadline Assistant integrations
Deadline Assistant lists 6 integrations on its own site.
- Microsoft Outlook
- Google Calendar
- Yahoo Calendar
- Outlook.com
- iPhone Calendar
- Android Calendar
Alternatives to Deadline Assistant
- CourtAlert Case ManagementA deep docket-control system for firms managing complex court workflows.9.4
- LawToolBoxA Microsoft 365-focused legal calendaring system with broad rules and platform integrations.9.1
- CalendarRulesA court-rule-focused calendaring system with broad jurisdiction coverage and one-way exports.8.9
See all Deadline Assistant alternatives →
Also Ranked In
Deadline Assistant is ranked in 4 of our directories.
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Featured on iTechGuides
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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