Listed by the USPTO as DAVIS, SHENG HAN
Tech Center 2800 • Art Units: 1726 1732 1736 1793 2881
This examiner grants 66% of resolved cases
Sheng Han Davis has 1101 resolved cases in Tech Center 2800 and Art Unit 1726. The allowance rate is 66.3%, with a median of 1167 days to allowance. The large resolved record supports a moderate allowance assessment, while the median timeline reflects prosecution that commonly extends beyond a year.
Interviews are associated with a 33.1% lift. Applicants may therefore consider early examiner engagement when technical distinctions or amendment options need to be tested. The leading companies are Johnson Matthey, BASF Mobile Emissions Catalysts, and BASF. BakerHostetler, JCIPRNET, and OLIFF are the listed leading firms.
| App # | Title | Status | Assignee |
|---|---|---|---|
| 18113285 | Nano-thin BixOySez low-temperature oxygen transporter membrane for oxygen transport, separation, and two-dimensional (2D) material manipulation | Non-Final OA | The Government of the United States of America, as represented by the Secretary of the Navy |
| 18550378 | PROCESS FOR MAKING PARTICULATE OXYHYDROXIDE OR OXIDES | Non-Final OA | BASF SE |
| 18010222 | Zeolite-Containing SCR Catalyst | Final Rejection | BASF MOBILE EMISSIONS CATALYSTS LLC |
| 18000301 | METHOD OF PREPARING A COPPER-PROMOTED ZEOLITE | Non-Final OA | BASF MOBILE EMISSIONS CATALYSTS LLC |
| 17608184 | SELECTIVE CATALYTIC REDUCTION CATALYST COMPRISING COPPER CARBONATE | Non-Final OA | BASF MOBILE EMISSIONS CATALYSTS LLC |
| 18636020 | SEPARATION OF METAL IONS BY LIQUID-LIQUID EXTRACTION | Non-Final OA | THE REGENTS OF THE UNIVERSITY OF CALIFORNIA |
| 18276248 | PELLICLE MEMBRANE FOR A LITHOGRAPHIC APPARATUS AND METHOD | Final Rejection | ASML NETHERLANDS B.V. |
| 18291831 | COMPOSITE COMPRISING ORGANOMETAL NANOSTRUCTURE POWDER AND METHOD FOR PREPARING SAME | Non-Final OA | LG CHEM, LTD. |
| 18176465 | MFI ZEOLITE OF HIGHLY DISPERSED FRAMEWORK ALUMINUM AND ITS USES FOR SELECTIVE AROMATICS METHYLATION TO PARA-XYLENE | Final Rejection | UOP LLC |
| 18409927 | CATALYST COMPOSITION | Non-Final OA | JOHNSON MATTHEY PUBLIC LIMITED COMPANY |
| 18067932 | COMPRESSED NATURAL GAS COMBUSTION AND EXHAUST SYSTEM | Final Rejection | Johnson Matthey Public Limited Company |
| 18050067 | CATALYSTS FOR GASOLINE EXHAUST GAS TREATMENTS WITH IMPROVED AMMONIA EMISSION CONTROL | Final Rejection | Johnson Matthey Public Limited Company |
IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.
Build Your Strategy66.3% of resolved applications examined by Sheng Han Davis were allowed (1,101 resolved cases), compared with 35.4% across Art Unit 1726 over the last five years.
This examiner's interview lift is +33.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.
Applications allowed by Sheng Han Davis took 1,167 days on average from filing to allowance.
Sheng Han Davis examines applications in Art Unit 1726 in Tech Center 2800 (Semiconductors, Circuits & Optics).