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Patent invalidation

Mechanical retrieval & manual search

• Extraction of related patents by manual search as well as the mechanical retrieval

• Perform detailed full text examination of public documents and find content relevant to invalidation.

Subject documents

• Worldwide patents (Japanese, US, EU, China, International etc)

• Non-patents document (general technical documents search worldwide, including technical journals, papers, magazines, etc.)


• Claim chart

• Simple comments about the novelty or progressivity for each claims

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