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Articles by Charles Gray
Open-Ended Sequence Claims at CNIPA: What US Biotechnology Filers Have to Fix Before Filing
CNIPA examiners routinely object to open-ended biological sequence language under Article 26.4 of the Chinese Patent Law and press applicants to closed-ended form.1 US written description doctrine reaches a related question by a different route,2 so a specification drafted only to US norms can leave its Chinese counterpart materially narrower. Every countermeasure that works is a disclosure, which means it has to be in the application on the day it is filed in the United States.
Colorado lost its patent office; its inventors never stopped filing.
When the U.S. Patent and Trademark Office announced last October that it was permanently closing its Rocky Mountain Regional Outreach Office, the reaction around Denver was predictable. The office had opened in 2014, one of four created under the America Invents Act, and losing it felt like losing a seat at the table. The natural worry followed quickly: if the patent office leaves, do the filings leave too? Do the companies? It is a fair question.
Prompt Injection Hacking: Emerging Trade Secret, Employment, and Litigation Risks | JD Supra
As generative AI ("gen AI") tools become embedded in enterprise workflows (from contract review and litigation support to hiring, coding, and customer service), a new class of adversarial attack is emerging that carries significant trade secret, employment, and litigation risk: prompt injection hacking.
China Is Not Just Filing More US Patents. It Is Filing Different Ones.
That Chinese patent filings at the U.S. Patent and Trademark Office have climbed is no longer news. The more useful question for a U.S. practitioner is not how many, but which ones. China’s filings at the USPTO are concentrated in information and communications technology to a degree that does not match China’s own domestic patenting, and inside that concentration sits a real, standards-driven wireless core. The headline is not that China files more.
China’s Revised Patent Examination Guidelines for AI: Six Practice Tips for Drafters
Effective January 1, 2026, CNIPA’s revised Patent Examination Guidelines add AI-specific examination rules in three layers: an ethics and legal compliance threshold that may be considered independently of novelty and inventive step; a higher inventive step bar that rejects mere scenario migration; and a stricter sufficiency of disclosure standard that materially increases the risk of black-box AI drafting.
Colorado Lost Its Patent Office; Its Inventors Never Stopped Filing
IP Partnerexplores why Colorado's patent filings continue to climb, even without a regional USPTO office, in his latest article "" for ColoradoBiz.Read the full article here
China Is Not Just Filing More US Patents. It Is Filing Different Ones.
That Chinese patent filings at the U.S. Patent and Trademark Office have climbed is no longer news. The more useful question for a U.S. practitioner is not how many, but which ones. China’s filings at the USPTO are concentrated in information and communications technology to a degree that does not match China’s own domestic patenting, and inside that concentration sits a real, standards-driven wireless core. The headline is not that China files more.
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