Yannan Zhang
Limited recognition, USPTO registration number 800122, status Active.
- Firm
- Calfee Halter & Griswold, LLP The Calfee Building
- Location
- Cleveland, OH
- On the USPTO roster since
- January 2025
Yannan Zhang is a USPTO-registered Limited recognition (registration number 800122) at Calfee Halter & Griswold, LLP The Calfee Building, in Cleveland, OH. The registration is active on the current USPTO roster, and Yannan Zhang has been listed on the roster since January 2025.
Calfee Halter & Griswold, LLP The Calfee Building has 4 registered patent practitioners on the roster (2 patent attorneys), so Yannan Zhang works alongside 3 other registered practitioners there.
Cleveland, OH has 331 registered patent practitioners in all: 282 patent attorneys and 33 patent agents.
Other registered practitioners in Cleveland, OH
- Thomas M. Lundin — Patent attorney, Reg. No. 48979, Philips Intellectual Property and Standards
- Charles Bahlmann Lyon — Patent attorney, Reg. No. 25739, Calfee Halter and Griswold LLP
- Karl M. Maersch — Patent attorney, Reg. No. 51981, Jones Day Reavis and Pogue
- David M. Maiorana — Patent attorney, Reg. No. 41449, Jones Day
- Timothy E. Manning — Patent attorney, Reg. No. 48964, Philips Intellectual Property & Standards
- J Derek Mason — Patent attorney, Reg. No. 35270, Tucker Ellis LLP Tucker Ellis LLP
- Mark J. Masterson — Patent attorney, Reg. No. 71886, Mcdonald Hopkins LLC
- Stephen Lynn Mccauley — Patent attorney, Reg. No. 39764, Calfee Halter and Griswold LLP
All patent attorneys and agents in Cleveland, OH
Patent firms in Ohio · Practitioners by state
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