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Head-to-head · Patents Drafting And Analysis Software

Derwent Innovation vs ClaimMaster

  • Updated Nov 2026
  • Both researched from official sources
  • 5 checks side by side
ClaimMaster #3 in Patents Drafting And Analysis Software 7.9/10 30-day trial Free trial✓ 4 of 4 features Visit ClaimMaster

Derwent Innovation leads on 0 checks, ClaimMaster on 2, and 3 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Free trialonly ClaimMaster
  • Most featuresClaimMaster · 4 of 4

Derwent Innovation and ClaimMaster score identically on our rubric (7.9 out of 10) for patents drafting and analysis software; Derwent Innovation sits at #2 and ClaimMaster at #3 in our editorial ranking, so the choice comes down to fit.

ClaimMaster offers patent drafting; Derwent Innovation doesn't. ClaimMaster offers patent analytics; Derwent Innovation doesn't.

Derwent Innovation is the better fit for established teams focused on patent and literature search. ClaimMaster is the better fit for patent practitioners focused on drafting workflows.

  • Derwent Innovation fits best

    Established teams focused on patent and literature search

  • ClaimMaster fits best

    Patent practitioners focused on drafting workflows

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Derwent Innovation 7.9/10 Visit ↗ ClaimMaster 7.9/10 Visit ↗
At a glance
Editor score 7.9 7.9
Ranking #2 in Patents Drafting And Analysis Software #3 in Patents Drafting And Analysis Software
Best for Established teams focused on patent and literature search Patent practitioners focused on drafting workflows
Pricing model Paid Paid
Starting price Pricing on request $20/user/mo
Free plan — —
Free trial — 30 days
Deployment Cloud Desktop
Platforms Web Windows
Support Docs Email, Phone, Docs
Built for Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Derwent Innovation 1/4 · ClaimMaster 4/4
Patent drafting — ✓ (best)
Patent search ✓ ✓
Patent analytics — ✓ (best)
Claim analysis Not checked yet ✓ (best)
Specs
Jurisdictions covered Not checked yet Not checked yet
Document export Not checked yet Pdf
Our review
Pros
  • Search enhanced patent data from 76 jurisdictions and bibliographic data from 109
  • AI Search is trained on the Derwent World Patents Index
  • Family-grouped citations connect patent and scientific literature research
  • Checks claims and specifications for support, numbering, and consistency issues
  • Generates application sections, figures, Office Action shells, and USPTO forms
  • Connects Word workflows with USPTO, EPO, Google Patents, and GPT tools
Cons
  • No dedicated patent-application drafting workflow is described
  • No analytics features are listed
  • Pricing requires contacting sales
  • Runs on Windows as a desktop add-in, not as a cloud proofreading service
  • Plan features are split across Lite, Lite+Shells, QA, and Pro
  • The $20 per-user monthly starting rate requires annual billing
Our verdict

Derwent Innovation is Clarivate’s patent search software for patent professionals assessing patentability, freedom to operate (FTO) and validity. Its emphasis is finding and evaluating prior art through searchable patent records and…

Read the review →

ClaimMaster is a Windows add-in for Microsoft Word that brings patent proofreading, drafting, and prosecution automation into a practitioner’s document workflow. Patent attorneys, agents, paralegals, and other patent practitioners can use…

Read the review →
  1. Derwent InnovationPatents Drafting And Analysis Software 7.9Pricing on request
  2. ClaimMasterPatents Drafting And Analysis Software 7.930-day trial

Strengths and trade-offs

  • Derwent Innovation — where it wins

    • Search enhanced patent data from 76 jurisdictions and bibliographic data from 109
    • AI Search is trained on the Derwent World Patents Index
    • Family-grouped citations connect patent and scientific literature research

    Where it doesn't

    • No dedicated patent-application drafting workflow is described
    • No analytics features are listed
    • Pricing requires contacting sales
  • ClaimMaster — where it wins

    • Checks claims and specifications for support, numbering, and consistency issues
    • Generates application sections, figures, Office Action shells, and USPTO forms
    • Connects Word workflows with USPTO, EPO, Google Patents, and GPT tools

    Where it doesn't

    • Runs on Windows as a desktop add-in, not as a cloud proofreading service
    • Plan features are split across Lite, Lite+Shells, QA, and Pro
    • The $20 per-user monthly starting rate requires annual billing

Derwent Innovation vs ClaimMaster: questions

Which is better for patents drafting and analysis software, Derwent Innovation or ClaimMaster?

Derwent Innovation and ClaimMaster score identically on our rubric (7.9 out of 10) for patents drafting and analysis software; Derwent Innovation sits at #2 and ClaimMaster at #3 in our editorial ranking, so the choice comes down to fit.

How do Derwent Innovation and ClaimMaster compare?

Of the 5 checks we put side by side, Derwent Innovation leads on none, ClaimMaster on 2, and 3 are level. Patent drafting only on ClaimMaster.

Do Derwent Innovation and ClaimMaster have a free plan?

Derwent Innovation: No. ClaimMaster: No.

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Nov 2026

Last updated · How we research and update