Prosecution Insights
Prosecution Insights
Tech Center 3700 • Art Units: 1637 1692 1731 1732 1735 1736 1774 1797 3753
This examiner grants 79% of resolved cases
Lessanework T. Seifu is an examiner in Tech Center 3700 and Art Unit 1637. He has overseen 1073 resolved cases. The allowance rate for these cases is 79.2 percent. This 79.2 percent rate reflects the frequency of patent grants under his review. Practitioners can use the 1073 resolved cases as a baseline for understanding the examination environment in this art unit.
The interview lift is 0.9 percent. This 0.9 percent figure represents the change in the likelihood of allowance following an interview. A positive value of 0.9 percent indicates that interviews are associated with a very slight increase in the probability of success. This suggests that requesting an interview may have a limited impact on the final outcome for this docket.
The median days to allowance is 847. This 847-day duration is the middle value for the time elapsed from filing to grant. For applicants, this 847-day median is a key metric for planning the prosecution timeline. By combining the 79.2 percent allowance rate with the 847-day median, practitioners can develop a data-grounded strategy for Art Unit 1637.
| App # | Title | Status | Assignee |
|---|---|---|---|
| 18301257 | FOOD PROCESSING APPARATUS | Non-Final OA | Panasonic Intellectual Property Management Co., Ltd. |
| 18049085 | METHOD AND APPARATUS FOR PREPARATION OF ALKYLENE CARBONATE USING POLYAMINE-HETEROGENEOUS CATALYST | Final Rejection | KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY |
| 18220116 | AMMONIA DECOMPOSITION SYSTEM, INTERNAL COMBUSTION ENGINE SYSTEM, AND AMMONIA DECOMPOSITION METHOD | Final Rejection | Yanmar Holdings Co., Ltd. |
| 18384064 | ELECTROSYNTHESIS SYSTEM | Non-Final OA | HONDA MOTOR CO., LTD. |
| 18289776 | Polymerization Reaction Device for High Viscosity Resin | Non-Final OA | LG Chem, Ltd. |
| 17627952 | Precursor for Positive Electrode Active Material, Manufacturing Method Thereof, And Manufacturing Apparatus Thereof | Final Rejection | LG Chem, Ltd. |
| 18493475 | STAGED CATALYTIC REFORMING PROCESS | Non-Final OA | SAUDI ARABIAN OIL COMPANY |
| 17773770 | AMMONIA DERIVATIVE PRODUCTION PLANT AND AMMONIA DERIVATIVE PRODUCTION METHOD | Final Rejection | MITSUBISHI HEAVY INDUSTRIES, LTD. |
| 18287080 | Electrical Heaters For Exhaust Aftertreatment Systems and Assemblies | Non-Final OA | CORNING INCORPORATED |
| 17931441 | HIGH TEMPERATURE THERMAL PROCESS SYSTEMS | Final Rejection | Honeywell International Inc. |
| 18975462 | HIGH FREQUENCY DIRECT ELECTRICAL HEATING | Non-Final OA | Schneider Electric USA, Inc. |
| 18555143 | PROCESS FOR HYDROPROCESSING MATERIALS FROM RENEWABLE SOURCES | Non-Final OA | SHELL USA, INC. |
| 17851293 | TREATMENT OF PLASTIC-DERIVED OIL | Non-Final OA | SHELL USA, INC. |
| 18386700 | OLEFIN POLYMERIZATION REACTOR | Non-Final OA | Sumitomo Chemical Company, Limited |
| 18376429 | CHEMICAL TEST APPARATUS AND SUBSTRATE PROCESSING APPARATUS | Non-Final OA | SEMES CO., LTD. |
| 18343842 | HYDRATION AND HOMOGENIZATION OF LYOPHILIZED REAGENTS | Non-Final OA | Illumina, Inc. |
| 17997716 | PROCESSES FOR REDUCING THE RATE OF PRESSURE DROP INCREASE IN A VESSEL | Final Rejection | Dow Technology Investments LLC |
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