Patent Search Services

Patent Invalidity Search

15

Years of
Experience

AboutWhat Is Chemical Structure-based Search?

A Chemical Structure-based Search involves identifying patents and scientific publications containing chemical compounds structurally similar to or matching your compound of interest. Instead of relying solely on keywords or textual descriptions, this search examines molecular structures, substructures, and Markush representations, providing a far more comprehensive and reliable view of prior art.

Such searches are critical for:

  • Patentability assessments before filing a patent application
  • Freedom-to-operate (FTO) analyses to avoid infringement risks
  • Patent opposition and invalidation proceedings
  • Research and development planning for new formulations or molecules

Whether you are a pharmaceutical company, chemical manufacturer, or biotech innovator, our structure-based searches provide you with the clarity needed to make confident IP and R&D decisions.

Trusted Clients
10
Finished Projects
100
Years of experience
1

ProcessOur Approach to Chemical Structure-based Searches

At The Patent Search Services, we follow a rigorous, multi-stage process to ensure precision and completeness in every search project.

1
01

Understanding the Objective

We start by defining the goal of the search — whether it’s for novelty assessment, patent invalidation, competitor monitoring, or R&D guidance.
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02

Structure Input and Query Design

Our experts convert your compound into multiple searchable formats such as SMILES, InChI, and Molfile, ensuring compatibility across diverse patent databases and chemical libraries.
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03

Database Selection

We utilize leading global databases, including STN, Reaxys, CAS Registry, SureChem, PubChem, and Derwent Innovation, ensuring comprehensive coverage of both patent and non-patent literature.
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04

Substructure and Similarity Searching

Through substructure, similarity, and Markush searches, we identify compounds that are identical, closely related, or functionally similar to your query molecule.
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05

Result Filtering and Relevance Evaluation

We analyze and refine results to highlight only the most relevant references, based on chemical similarity, functional group overlap, and claimed utility.
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Analytical Mapping

Our chemists map each identified compound’s features against your structure using structure diagrams, reaction schemes, and claim mapping, providing visual clarity and technical depth.
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Final Reporting and Strategic Recommendations

We deliver a comprehensive, easy-to-interpret report summarizing identified compounds, structural comparisons, legal statuses, and strategic recommendations to guide your next steps — whether it’s filing, modifying, or defending a patent.

FeatureWhat’s Included in Our Chemical Structure-based Search Report

Structure Diagrams and Chemical Identifiers (SMILES, InChI, Molfile)

List of Identical and Similar Compounds

Patent References with Legal Status Information

Non-patent Literature References (Journals, Research Papers, Databases)

Claim and Structure Mapping

Relevance and Similarity Analysis

Expert Chemists and IP Professionals

Our team consists of experienced chemical analysts, patent attorneys, and R&D scientists with deep domain expertise in organic, inorganic, and pharmaceutical chemistry.

Advanced Search Tools

We utilize AI-driven chemical structure search engines and global patent databases to deliver accurate, high-confidence results.

Comprehensive Global Coverage

We search across major patent offices (USPTO, EPO, WIPO, JPO, CNIPA) and scientific literature, ensuring no relevant prior art is missed.

Tailored to Your Objectives

Our reports are customized based on your project goals — whether you’re filing a patent, defending one, or planning a new R&D initiative.

Quick Contacts

1401 E Bristol St Office #2 - V95, Philadelphia, PA 19124

 

+12678553990

info@patentsearchservices.com

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