Will Chen

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Will Chen is a partner in the Intellectual Property Group in the firm’s Silicon Valley office.

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Benefits and Considerations for Patent Prosecution Under Patent Prosecution Highway in Australia, Canada, South Korea, and Japan

I. Introduction This is the second article of the multi-part series discussing benefits of prosecuting patents under Patent Prosecution Highway or PPH. The first article can be accessed here. To recap, PPH is a set of initiatives promulgated by participating patent offices around the world to accelerate patent prosecution in countries of the participating patent … Continue Reading

Benefits and Considerations for Patent Prosecution under Patent Prosecution Highway in the U.S., Europe, China, and Singapore

I. Introduction Patent Prosecution Highway or PPH is a set of initiatives promulgated by participating patent offices around the world to accelerate patent prosecution in countries of the participating patent offices. PPH allows the participating patent offices to share information and to benefit from work performed by other participating patent offices, and thereby reducing examination … Continue Reading

Patent Protection on AI Inventions

In recent years, AI patent activity has exponentially increased. The figure below shows the volume of public AI patent applications categorized by AI component in the U.S. from 1990-2018. The eight AI components in FIG. 1 are defined in an article published in 2020 by the USPTO. Most of the AI components have experienced explosive … Continue Reading

Distinguish “Smart Contract” From Abstract Idea To Pass Blockchain Patentability Scrutiny

The Situation Smart contracts are often mentioned in blockchain-themed patent applications and recited in claims. However, Examiners without a thorough understanding of this concept or unfamiliar with blockchain technology often equate smart contracts with legal or commercial contracts stored on blockchains. As a result, the Examiners may find claims directed to merely applying the blockchain … Continue Reading

Blockchain Patentability Through The Lens Of A Recent PTAB Decision

Blockchain patent applications may be divided into two types: underlying technologies of blockchain, such as consensus methods, security, etc., and applications of blockchain in, e.g., fintech, legal, and other industries. In patent examination, the first type, because it recites underlying technology improvement, rarely elicits subject matter rejections. The second type, applications of blockchain, are often … Continue Reading
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