Listed by the USPTO as ANDREWS, DAVID L
Tech Center 3600 • Art Units: 3641 3672 3676
This examiner grants 72% of resolved cases
ANDREWS, DAVID L is assigned to Tech Center 3600 and Art Unit 3641. The profile reports 990 resolved cases, a 71.6% allowance rate, and a median of 1024 days to allowance. The interview lift is 16.3%.
The listed companies are Halliburton Energy Services Inc., Schlumberger Technology Corporation, and Baker Hughes Holdings LLC. The listed firms are GABLEGOTWALS, GREER, BURNS & CRAIN, LTD, and JONES WALKER LLP. The substantial case volume makes the figures useful for setting prosecution expectations. Counsel can use the median timing for portfolio scheduling and reserve interviews for issues where technical clarification or focused claim discussion may improve the written response.
| App # | Title | Status | Assignee |
|---|---|---|---|
| 19133244 | PREDICTION OF FLUID DENSITY BASED ON OPTICAL ABSORPTION MEASUREMENTS | Non-Final OA | SCHLUMBERGER TECHNOLOGY CORPORATION |
| 19133246 | SYSTEMS AND METHODS FOR DEPLOYING ELECTRIC SUBMERSIBLE PUMPS | Non-Final OA | SCHLUMBERGER TECHNOLOGY CORPORATION |
| 19542300 | DOWNHOLE ELECTRICAL CONDUCTOR MOVEMENT ARRESTOR | Non-Final OA | Halliburton Energy Services, Inc. |
| 19317582 | A DOWNHOLE TOOL EMPLOYING A PRESSURE INTENSIFIER | Non-Final OA | Halliburton Energy Services, Inc. |
| 19286667 | INTERNAL SLIP INCLUDING ONE OR MORE SYMMETRICAL TEETH | Final Rejection | Halliburton Energy Services, Inc. |
| 19062310 | SAFETY VALVE EMPLOYING A MECHANICAL CONNECTING APPARATUS HAVING ONE OR MORE MAGNETIC TARGETS | Final Rejection | Halliburton Energy Services, Inc. |
| 18494395 | SEALING ASSEMBLY EMPLOYING A CYLINDRICAL EXTRUSION LIMITER | Final Rejection | Halliburton Energy Services, Inc. |
| 19173236 | Collecting Device with an Adjustable Filter Position and Method for Use | Non-Final OA | Baker Hughes Oilfield Operations, LLC |
| 19106791 | EARTH-BORING TOOL GEOMETRY AND CUTTER PLACEMENT AND ASSOCIATED APPARATUS AND METHODS | Non-Final OA | BAKER HUGHES OILFIELD OPERATIONS, LLC |
IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.
Build Your Strategy71.6% of resolved applications examined by David L Andrews were allowed (990 resolved cases), compared with 65.5% across Art Unit 3641 over the last five years.
This examiner's interview lift is +16.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.
Applications allowed by David L Andrews took 1,024 days on average from filing to allowance.
David L Andrews examines applications in Art Unit 3641 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).
