Prosecution Insights
Prosecution Insights
Tech Center 2800 • Art Units: 1733 1738 1759 1784 1793 2812
This examiner grants 68% of resolved cases
Lois L Zheng serves in Tech Center 2800 and Art Unit 1733, where they have managed 756 resolved cases. The examiner has an allowance rate of 67.6 percent. This 67.6 percent rate serves as a reliable baseline for applicants. The volume of 756 cases provides a robust dataset for understanding the examiner's prosecution style and the general likelihood of success in Tech Center 2800.
The median days to allowance is 1349 days. The interview lift is 13.0 percent. This 13.0 percent lift suggests that while interviews provide a benefit, the examiner's baseline allowance rate is the primary factor in case resolution. Practitioners should be prepared for a longer prosecution cycle, as indicated by the 1349 days median. Although the lift is modest, it still offers a strategic advantage for applications that face persistent rejections in Art Unit 1733.
| App # | Title | Status | Assignee |
|---|---|---|---|
| 18498668 | ALUMINUM ALLOY AND METHOD FOR PRODUCING SAME | Final Rejection | TOYOTA JIDOSHA KABUSHIKI KAISHA |
| 18326507 | COLORMETRIC METHODS TO PREDICT COATING AND BOND PERFORMANCE PROPERTIES | Final Rejection | The Boeing Company |
| 17759465 | METHOD FOR THE SURFACE TREATMENT OF ALUMINIUM-BASED PARTS | Final Rejection | SAFRAN AEROSYSTEMS |
| 18486333 | HEAT TREATMENT METHOD OF BEARING RING | Non-Final OA | AKTIEBOLAGET SKF |
| 18213400 | RECYCLED ALUMINUM COMPOSITION FOR COMPUTER CHASSIS | Final Rejection | DELL PRODUCTS L.P. |
| 17788678 | ALUMINUM ALLOY FOIL | Final Rejection | DAI NIPPON PRINTING CO., LTD. |
| 18250478 | TREATMENT OF METALLIC SURFACES BY OH-FUNCTIONAL COPOLYMER CONTAINING ACIDIC AQUEOUS COMPOSITIONS | Final Rejection | CHEMETALL GMBH |
| 17904969 | ONE-STEP PRETREATMENT METHOD OF METALLIC SUBSTRATES FOR METAL COLD FORMING | Final Rejection | CHEMETALL GMBH |
| 16964861 | PROCESS FOR SELECTIVE PHOSPHATING OF A COMPOSITE METAL CONSTRUCTION | Final Rejection | Chemetall GmbH |
| 18041297 | FUNCTIONALLY GRADIENT ALUMINUM ALLOY PRODUCTS AND METHODS OF MAKING | Final Rejection | Novelis Inc. |
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