Erratum: Diagnostics firms face new patent claim worries

Patent "Trolls" and Claim Construction

This Essay explores the largely overlooked relationship between claim construction and patent assertion entities (patent “trolls”) finding that claim construction problems and trends benefit patent assertion entities. First, the Federal Circuit is deeply divided as to the proper approach to claim construction. This split is a significant contributor to uncertain patent scope, which is widely-re...

New ivory worries

Species (Cites) in 1989, to halt the steep decline in elephant numbers. “Wild elephant populations were decimated by the ivory trade. By the time the 1989 Cites ban came into force, Africa’s elephants had been reduced by more than 50 per cent,” says Mark Jones, programmes director at Care for the Wild, an international wildlife charity which commissioned the mammoth ivory report. “Poaching cont...

Patent Claim Processing For Readability - Structure Analysis And Term Explanation

Patent corpus processing should be centered around patent claim processing because claims are the most important part in patent specifications. It is common that claims written in Japanese are described in one sentence with peculiar style and wording and are difficult to understand for ordinary people. The peculiarity is caused by structural complexity of the sentences and many difficult terms ...

Judicial Capacities and Patent Claim Construction: An Ordinary Reader Standard

Two-Stage Patent Retrieval Method Considering Claim Structure

This paper proposes a patent retrieval method that consists of two processing stages. In Stage 1, analysis and retrieval methods to improve recall are applied. In Stage 2, the top N documents retrieved in Stage 1 are re-arranged by applying analysis and retrieval methods that consider the claim structure to improve precision. This paper gives an overview of this retrieval method and evaluates i...