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ReviewPro uses a combination of artificial intelligence techniques to deliver precise, reliable results:
Sifters. Sifters are contract-specific algorithms that use Machine Learning (ML) and Natural Language Processing (NLP) to identify and flag critical issues or missing terms in your contracts. Each Sifter is trained on thousands of real-world contracts, released to clients when it achieves 95+% accuracy, and continuously improved with expert feedback.
Generative AI. Generative AI automatically applies precise redlines that align exactly with your company's established positions. We tightly control and constrain the AI, so that it operates like an attorney under strict supervision. We measure AI quality using thoroughness, accuracy, and edit fluency—consistently achieving a 95%+ accuracy rating. Together, these advanced AI technologies ensure ReviewPro delivers consistent, attorney-quality results, faster and more reliably than any other solution available.
Sifters. Sifters are contract-specific algorithms that use Machine Learning (ML) and Natural Language Processing (NLP) to identify and flag critical issues or missing terms in your contracts. Each Sifter is trained on thousands of real-world contracts, released to clients when it achieves 95+% accuracy, and continuously improved with expert feedback.
Generative AI. Generative AI automatically applies precise redlines that align exactly with your company's established positions. We tightly control and constrain the AI, so that it operates like an attorney under strict supervision. We measure AI quality using thoroughness, accuracy, and edit fluency—consistently achieving a 95%+ accuracy rating. Together, these advanced AI technologies ensure ReviewPro delivers consistent, attorney-quality results, faster and more reliably than any other solution available.
Our out-of-the-box guidance is written by experienced attorneys who specialize in specific contract types. It’s all overseen by Ken Adams, LegalSifter’s Chief Content Officer and author of A Manual of Style for Contract Drafting. Examples of expert contributors include:
- Healthcare guidance: Written by Dan Mulholland of Horty Springer, a top health law firm.
- Software guidance: Created with help from David Tollen, author of The Tech Contracts Handbook.
- Transportation guidance: Developed by Transaction Expeditors, part of Frost Brown Todd, a leader in truckload transportation law.
Yes. You can customize LegalSifter’s standard playbooks or build new ones based on your existing content. ReviewPro makes it easy to edit and manage playbooks, and our team also offers a managed service for organizations that want expert assistance.
Yes, the ReviewPro functionality is built specifically for the Microsoft Word application.
Yes. Microsoft Word can open and convert PDF files. Simply open the PDF in Word and save it as a .docx file. Once converted, the document can be sifted in ReviewPro.
No. ReviewPro automatically redlines your document based on your playbook. You can then review all redlines at once and filter them by high, medium, or low importance to simplify final review and approval.
If you do not want to have your contracts redlined we can turn that feature off and you can still use our standard issue flagging and guidance playbooks to review contracts.
ReviewPro uses industry-standard security practices to ensure your data is protected. For detailed information, please contact our team.
Yes. LegalSifter Control supports integrations using standard connectors and APIs. These integrations are scoped collaboratively with your technical team to ensure they meet your specific needs.
LegalSifter Control integrates with DocuSign and Adobe Sign.
We offer a data migration service to help move your existing documents and metadata into LegalSifter Control.
Yes. You can export both your contracts and associated data at any time.
Yes. LegalSifter meets SOC 2 compliance standards.
LegalSifter Control uses industry-standard security practices to ensure your data is protected. For detailed information, please contact our team.
No. LegalSifter Control is designed to be a simple, easy-to-use CLM solution without the complexity of configurable workflows. If you need automated, customizable workflows, we recommend exploring our Contract Logix platform.
No. LegalSifter Control does not currently use AI features. If you're looking for AI-powered contract data extraction, our Contract Logix CLM platform is a better fit.
Most clients are fully onboarded to LegalSifter Control in 90 days or less.
Combined Intelligence means pairing artificial intelligence with human expertise. At LegalSifter, we believe an algorithm plus a person is stronger than either alone. That’s why all our products are built on a “human-in-the-loop” approach—designed to combine the speed of AI with the judgment of people. We know neither AI nor humans are perfect, so we build systems that leverage the strengths of both. That’s Combined Intelligence.
Yes. LegalSifter has clients and partners headquartered in 17 countries around the world. Many of our clients have operations on multiple continents.
A Sifter is a piece of software trained to read text and look for a specific concept. It reads novel language, learns from experience, and improves over time. Our Sifters use machine learning (ML) and natural language processing (NLP), types of AI, along with a number of other advanced search techniques.
Yes. We use advanced machine learning to keep our Sifters improving.
On average, our F1 accuracy score is 95%, with our latest Sifters at 97% or higher. These F1 scores materially outpace human performance. That doesn't mean that the Sifters are "smarter" than people, but it does mean that a collection of Sifters is more likely to accurately classify and analyze contract concepts than a human.
Yes. Sifters are consistently improved with the help of Sifter Trainer reports and focused research and development efforts from our Data Science and Content Development teams. When we started in 2013, our Sifters were performing at F1 levels around 90%. Now they exceed 97%. We will continue to improve the performance of our Sifters as our user base grows and our technology advances.
Yes. Just like people, our Sifters make errors. Clients and team members reportSifter errors through our Sifter Trainer, a feature of both LegalSifter ReviewPro and LegalSifter Organize. Once our Content Development team confirms the accuracy of the report, we will retrain the Sifter that made the error within 5-10 business days and release the improved Sifter back into production.
Yes. We use advanced NLP in our Sifters. The technology, among other things, allows our Sifters to read and understand novel language that they have never seen before. The ability of Sifters to read and understand novel language is critical in contracts, as most agreements have unique phrasing.
The Sifter Library includes a description of the Sifters that are available to our clients today. The Sifter Library is updated weekly.
Our Sifters continuously improve with crowdsourced feedback from our clients, partners, and team members. Sifter Trainer is a feature of LegalSifter Review for users to report Sifter errors. Once our Content Development team confirms the accuracy of a Sifter Trainer report, we will retrain the Sifter that made the error within 5-10 business days and release the improved Sifter back into production.
LegalSifter has partnered with BBB and Amazon Web Services to ensure both cloud security and privacy. You can learn more as follows: 1) Please see the following pages, for more information. Cloud Security Privacy Statement California Consumer Privacy Act Notice for California Residents Amazon Web Services Cloud Security 2) Please submit your organization's cybersecurity and privacy questionnaire to help@legalsifter.com or your LegalSifter Growth contact. We will complete it and return it to you.
Only with your permission. We use client and partner contracts to improve the quality of our Sifters for everyone as part of our Sifter Improvement Program. With more clients, partners, and contracts, we make our Sifters more accurate, faster. Essentially, we chop contracts up into little pieces—words, phrases and sentences—and feed them to our algorithms. If you consent, we will use your contracts for Sifter research and development. Under no circumstances will your contracts be disclosed or identifiable to any third party, other than subcontractors involved in Sifter research and development. Without your consent, we will not use your contracts, other than as needed to provide technical support on your account.
Yes. LegalSifter encrypts data at rest and in transit. Data that is encrypted at rest includes the underlying storage for database instances and its automated backups. Data at rest, which includes Read Replicas, and snapshots, as well as S3 storage buckets, and application server storage, are encrypted using the industry-standard AES-256 encryption algorithm, with keys managed by AWS Key Management Service. For data in transit, LegalSifter utilizes TLS 1.2. Communications between back-end infrastructure travel exclusively within a network where connections are whitelisted as needed.
Yes. Clients may enroll their organizations in Single Sign-On (SSO). You are a good candidate for SSO if you are already using an identity management system. We support a wide variety of identity providers. We support the following: Active Directory Federation Services (ADFS) Active Directory / LDAPSAML Google Workspace Microsoft Azure AD OKTA Open ID Connect PingFederate SAML / SAML 2.0 Others upon request.
Yes. LegalSifter supports Multi-Factor Authentication (MFA) for all organizations and users. MFA requires knowledge of your password and possession of your cell phone. Passwords must have a minimum of 15 characters, with complexity requirements enforced. Users must select a unique password up to 12 times before they may reuse an old password. Users set their own initial password before logging on for the first time. Accounts are locked after 5 consecutive failed login attempts. User accounts timeout after 30 minutes of inactivity.
Yes. All of our subscriptions include free updates for our clients. Because our software is delivered as a service in the cloud, clients receive these updates automatically. We release updates weekly. Clients can expect new and improved Sifters, playbooks, and ongoing software enhancements from LegalSifter.
Yes. All of our products include free training, offered in live online sessions or through self-paced videos, tutorials, and documentation available in our 24x7x365 Online Help Center, accessible through our software.
Yes. LegalSifter offers unlimited free technical support from Client Support five (5) days a week from 8 a.m. to 8 p.m., Monday through Friday, Eastern Time, not including the following USA holidays: New Year's Day, Martin Luther King Day, Memorial Day, Independence Day, Labor Day, Thanksgiving, and Christmas. Clients and partners may reach us via chat on www.legalsifter.com, chat within LegalSifter Review, email at help@legalsifter.com, or phone at +1 724-221-7438 (SIFT). LegalSifter offers emergency support on weekends and off-hours. Clients and partners may access at any time self-paced videos and documentation available in our Online Help Center.
Clients and partners may submit enhancement requests through help@legalsifter.com or directly to their assigned Growth team member. Clients and partners may also request new Sifters specifically with our Sifter Ideas form.
Our standard library includes structured playbooks for many of the most common contract types, including NDAs, MSAs, SaaS agreements, and more.
Yes. You can easily customize our standard playbooks on your own, or work with our lawyer-led services team to tailor negotiation positions and fallback options to match your organization’s risk tolerance and business needs.
Our Sifters, or contract-specific algorithms, flag missing or risky terms included in the playbook with 95%+ accuracy. Generative AI then applies precise redlines based on your playbook, automatically adjusting language to match your negotiation positions.
Absolutely. Our standard playbooks are ready to use out of the box and can be customized at any time.
Playbooks can be updated in collaboration with our services team, or managed internally if you prefer. Their structured design makes updates simple and scalable.
Turnaround times vary by contract type and volume, but we offer expedited options for urgent needs.
We work across a wide range of industries and tailor our feedback to your business and contract type. Contact us if you would like to know more about the industries and agreement types we support.
Absolutely. We often partner with in-house teams to handle overflow or support time-sensitive reviews.
Yes. All reviews and redlines are performed or overseen by experienced, licensed attorneys.
Yes, LegalSifter does not establish attorney/client relationships therefore you will need to have supervising counsel to utilize our redlining services. If you don’t currently have counsel, we can connect you with our law firm, LegalSifter Law, LLC.
Organizations that care about clean, accurate contract data to run efficiently, manage risk, and make better decisions.
We combine advanced artificial intelligence with human expertise to review and validate the data extracted from your contracts.
A Field is is a type of data, such as an address, termination of convenience (yes/silent), contract title, counterparty name, etc.
Clients typically ask for four types of data from their documents:
- Standard Fields ("Name, rank, and serial number") Almost every client wants key details like party names, contract dates, renewal terms, and whether the contract is fully executed.
- Legal Terms Many want to understand legal clauses such as force majeure (including epidemics), supplier indemnity, assignment rights, and liability limits.
- Business-Specific Details Clients often look for info unique to their business—like product versions, pricing, or delivery obligations tied to specific offerings.
- Exploding Fields Some contracts include large, complex tables that vary in size. These "exploding fields" can range from 4 data points to 400, making them unpredictable to extract.
Securely transfer your contracts to us, and we’ll work with you to define the key data fields to extract. We’ll deliver your contract data in a Sifting File for your review and approval. Once approved, our team will migrate all documents and data into your contract repository.
Yes. We will extract your data and put it into our CLM, LegalSifter Control.
Not yet. Our AI currently supports English only.
Our system can extract data from PDFs, Word documents, and most image files. It currently does not support data extraction from Excel files, PowerPoint presentations, or email messages.
In those cases, our team will separate the documents so that each file contains only one legal agreement. Once that’s done, we can extract the data.
COaaS is a full-service contract management solution where LegalSifter provides the people, processes, and expertise needed to keep your CLM running smoothly so your team doesn’t have to manage it alone.
Unlike other CLM providers, we go beyond software. We act as an extension of your team, offering hands-on support, expert guidance, and continuous optimization.
We complement your existing team, handling tasks like workflow design, user management, and reporting so they can focus on higher-value strategic work instead of system maintenance.
Timelines vary based on complexity, but our structured onboarding and industry expertise ensure an efficient implementation with minimal disruption.
If you’re a LegalSifter Control or Contract Logix client, contact us to schedule a consultation and see how we can streamline your CLM operations.
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