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Search Services

We understand the importance of thorough, in-depth patent research. Our veteran search professionals dig deep, drawing on their subject matter expertise and utilizing the best strategies and technologies to efficiently uncover the information you need. For more information please visit our Patent Search Services section.

Trademark Search Services

Individual Searches

  • U.S. Knock-Out
  • U.S. Common Law
  • U.S. Comprehensive
  • U.S. Merchandising & Licensing
  • U.S. Design

Bundled Searches

  • U.S. Knock-Out & Design
  • U.S. Comprehensive & Design

Our team of trademark attorneys* generates unique strategies for each project. We develop custom queries to uncover relevant synonyms, phonetic equivalents and misspellings for the target mark. We use advanced searching techniques, broadened goods/services keywords, and related international classes to deliver the most relevant results..

Cardinal’s team of trademark attorneys generates unique strategies for each project. We develop custom queries to uncover relevant synonyms, phonetic equivalents and misspellings for the target mark. We use advanced searching techniques, broadened goods/services keywords, and related international classes to deliver the most relevant results. For more information please visit our Trademark Search Services section.

Invalidity Search Options
  • Basic Validity

    U.S. & Worldwide Patents + Patent Publications & Non-Patent

    Includes

    • Independent Claims Only (Single Inventive Concept)
    • Essential NPL Searching
    • Claim Mapping / Analysis Available
    • 5-7 Business Days
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  • Standard Validity

    U.S. & Worldwide Patents + Patent Publications & Non-Patent

    Includes

    • Independent Claims Only (Single Inventive Concept)
    • Essential NPL Searching
    • Claim Mapping / Analysis Available
    • 5-7 Business Days
    Quote
  • Premium Validity

    U.S. & Worldwide Patents + Patent Publications & Non-Patent

    Includes

    • Independent Claims Only (Single Inventive Concept)
    • Essential NPL Searching
    • Claim Mapping / Analysis Available
    • 5-7 Business Days
    Quote
  • Redbird Validity

    U.S. & Worldwide Patents + Patent Publications & Non-Patent

    Includes

    • Independent Claims Only (Single Inventive Concept)
    • Essential NPL Searching
    • Claim Mapping / Analysis Available
    • 5-7 Business Days
    Quote