Prosecution Insights
Prosecution Insights
Tech Center 3600 • Art Units: 1765 3674 3676
This examiner grants 70% of resolved cases
Angela Marie Ditran Leff, in Tech Center 3600 and Art Unit 1765, has 1045 resolved cases. The allowance rate is 69.8 percent. The interview lift is 13.4 percent, which is a moderate boost to the chances of allowance.
The median days to allowance is 1048. This timeline is based on the 1045 resolved cases. The 69.8 percent allowance rate indicates a favorable environment for applicants. The 13.4 percent interview lift suggests that interviews are a useful tool for resolving issues.
In Art Unit 1765, the 1048 median days to allowance is a key planning figure. The allowance rate across resolved cases shows a consistent pattern of success. The interview lift is a helpful metric for practitioners to consider when developing their strategy. This data set provides a reliable outlook for future filings.
| App # | Title | Status | Assignee |
|---|---|---|---|
| 19212276 | SPACER FLUIDS CONTAINING SWELLABLE ABRASIVE PARTICLES | Non-Final OA | Schlumberger Technology Corporation |
| 19025431 | RELATIVE PERMEABILITY MODIFIER FOR SUBTERRANEAN FORMATION | Final Rejection | Halliburton Energy Services, Inc. |
| 18375251 | HYDRAULIC CEMENT FOR CARBON DIOXIDE ENVIRONMENTS | Final Rejection | Halliburton Energy Services, Inc. |
| 18635351 | RANGING DEVICE | Non-Final OA | CANON KABUSHIKI KAISHA |
| 18657990 | METHOD FOR FASTENING ANCHORING ELEMENTS IN BOREHOLES | Non-Final OA | Hilti Aktiengesellschaft |
| 19345721 | EUTECTIC METAL ALLOY-CONTAINING CEMENT AND METHODS OF USE THEREOF | Final Rejection | SAUDI ARABIAN OIL COMPANY |
| 19173675 | BLOWING AGENT INCORPORATED RESIN SYSTEMS FOR CONSOLIDATING SUBTERRANEAN OIL AND GAS BEARING FORMATIONS | Final Rejection | SAUDI ARABIAN OIL COMPANY |
| 18625698 | METHODS TO SELECT BRINE RECIPES FOR WATERFLOODING OPERATIONS | Non-Final OA | Saudi Arabian Oil Company |
| 18374160 | POLYPROPYLENE RESIN EXTRUDED FOAM PARTICLES | Non-Final OA | KANEKA CORPORATION |
| 19074580 | METHOD FOR TREATING A WELL BORE FOR DEHYDROSULFURIZATION | Non-Final OA | KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS |
| 19075283 | SCALE INHIBITION IN A WELLBORE | Non-Final OA | KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS |
| 19279818 | COMBINATION PRODUCTS CONTAINING ANTI-AGGLOMERANT LOW DOSE HYDRATE INHIBITORS AND CORROSION INHIBITORS WITH IMPROVED CORROSION RESISTANCE | Non-Final OA | ChampionX LLC |
| 18617838 | ALUMINIUM NANOPARTICLE CORROSION INHIBITOR ADDITIVES | Non-Final OA | ChampionX LLC |
| 18461676 | COMBINATION PRODUCTS CONTAINING ANTI-AGGLOMERANT LOW DOSE HYDRATE INHIBITORS AND CORROSION INHIBITORS WITH IMPROVED CORROSION RESISTANCE | Non-Final OA | ChampionX LLC |
| 19106482 | AQUEOUS NANOBUBBLE DISPERSION AND GAS SUPERSATURATION AT ELEVATED PRESSURES | Final Rejection | Board of Regents, The University of Texas System |
| 18454005 | BIOLOGICAL CEMENT WITH ALGAL BIOMATTER | Final Rejection | University of Washington |
| 18283873 | DRY GRINDING OF CLAY MINERAL, GROUND CLAY MINERAL, AND ITS USE IN CONSTRUCTION MATERIALS | Final Rejection | SIKA TECHNOLOGY AG |
| 18834024 | COASTAL KARST CEMENT-BASED EXPANDING GROUTING MATERIAL AND PREPARATION METHOD THEREFOR | Non-Final OA | SHANDONG UNIVERSITY |
| 18650772 | SYNERGISTIC APPROACH TO DEVELOP RESILIENT CEMENT SYSTEMS FOR LONG TERM WELLBORE INTEGRITY OF OIL, GAS AND GEOTHERMAL WELLS | Non-Final OA | ARAMCO SERVICES COMPANY |
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