Prosecution Insights
Last updated: May 29, 2026

Chevron U S A Inc.

52 pending office actions • 21 art units • 45 examiners • 0 of 52 (0%) have an AI response strategy ready • 115 patents granted in the last 365 days

Portfolio Summary

52
Total Pending OAs
36
Non-Final OAs
16
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 51 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

24
Overdue
3
Due this week
16
Due this month
5
Due in next 60 days
3
Due later

Deadline Fire Line

Every pending office action with a known statutory deadline, placed on a days-until-due axis. Dots left of Today are overdue; the further right, the more runway. Cases that share a deadline window stack vertically. 51 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (24)Due ≤ 7 days (3)Due ≤ 30 days (16)Due ≤ 60 days (5)Due later (3)

Case Difficulty Mix

Difficulty is derived from the rejection statutes on the most recent pending office action. §101-driven and multi-statute cases are graded Hard; §112-only and obviousness-type double-patenting cases are graded Easy; everything else is Medium. "Unknown" means we have not yet parsed a statute for that office action.

8
Hard (15%)
37
Medium (71%)
4
Easy (8%)
3
Unknown (6%)

Rejection Statute Mix

BucketCases
§101 only8 (15%)
§103 only35 (67%)
§102 only2 (4%)
§112 only4 (8%)
No statute on record3 (6%)

Industry Mix

How the docket's pending cases split across USPTO tech-center bands.

27
Life Sciences
52% of docket
7
Information Tech
13% of docket
0
Communications
0% of docket
11
Semiconductors
21% of docket
7
Mechanical / Eng
13% of docket
0
Business / Other
0% of docket

Time-on-OA Estimate

Manual office-action response work runs about 10 hours per case. The time-saved bands below show what IP Author's prosecution pipeline typically delivers — a conservative 20% on the low end, 35% in the middle, 50% on the high end.

520 h
Manual time on pending OAs
104 h
Time saved (low, 20%)
182 h
Time saved (mid, 35%)
4.5 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
VALENCIA, JUAN C 3 86.6% +7.4%
SUE-AKO, ANDREW B. 2 71.5% +27.4%
TOOMER, CEPHIA D 2 74.1% +2.4%
MCCAIG, BRIAN A 2 80.1% +13.5%
NGUYEN, TAM M 2 77.2% +11.3%
QIAN, YUN 2 54.5% +20.8%
RUNYAN, SILVANA C 1 82.2% +17.1%
JEONG, YOUNGSUL 1 71.8% +21.3%
BOBISH, CHRISTOPHER S 1 62.2% +29.3%
HE, AMY 1 81.4% +4.0%

Quick Wins (7)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 7 ordered by deadline are shown.

App #TitleExaminerDue in
18617309 REFORMING PROCESS MCCAIG, BRIAN A 56d overdue
18006495 HIGH ACTIVITY SECOND STAGE NAPHTHA HYDROCRACKING CATALYST VALENCIA, JUAN C 31d overdue
18042715 TRIMETAL SUPPORTED CATALYST VALENCIA, JUAN C 22d overdue
18270208 SELECTIVE HYDROCRACKING OF NORMAL PARAFFINS MCCAIG, BRIAN A 19d overdue
18791588 SUBSEA HIGH VOLTAGE LOOP CAP FOR TESTING AND MONITORING SUBSEA ELECTRICAL POWER SYSTEMS HE, AMY 9d
18043738 PROCESS AND SYSTEM FOR BASE OIL PRODUCTION USING BIMETALLIC SSZ-91 CATALYST VALENCIA, JUAN C 33d
19237858 COMPOSITIONS AND METHODS FOR TREATING UNCONVENTIONAL SUBTERRANEAN FORMATIONS RUNYAN, SILVANA C 75d

Hard Cases (8)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 8 ordered by deadline are shown.

App #TitleExaminerDue in
18104087 SYSTEMS AND METHODS FOR DETECTING FRACTURE-DRIVEN INTERACTIONS AND IDENTIFYING FRACTURE-DRIVEN INTERACTION RISK IN A SUBSURFACE VOLUME OF INTEREST PARK, HYUN D 31d overdue
18385775 OPTIMIZING A FIELD OPERATION THAT COMPRISES A GAS INJECTION DO, AN H 11d overdue
18771574 SYSTEM AND METHOD FOR ORCHESTRATING THE DETERMINATION OF A PRODUCT CARBON FOOTPRINT SANTOS-DIAZ, MARIA C 8d overdue
18331115 Systems And Methods For Providing Battery Usage GO, RICKY 14d
17654632 SYSTEM AND METHOD FOR SEISMIC VELOCITY AND ANISOTROPIC PARAMETER MODELING COCCHI, MICHAEL EDWARD 16d
18035171 SUBSURFACE CHARACTERIZATION BASED ON MULTIPLE CORRELATION SCENARIOS CORDERO, LINA M 28d
17963559 MULTIVARIATE NORMALIZATION OF WELL LOGS USING PROBABILITY DISTRIBUTION MODELING WAJE, CARLO C 29d
18311884 SYSTEM AND METHOD FOR ASPHALTENE ANOMALY PREDICTION VAUGHN, RYAN C 46d

Interview Candidates (11)

Cases in front of an examiner whose interview lift is 10 percentage points or more — i.e. interviewed cases historically resolve more favorably than non-interviewed ones. The top 8 ordered by deadline are shown.

App #TitleExaminerDue in
18617309 REFORMING PROCESS MCCAIG, BRIAN A 56d overdue
18036621 Catalyst System And Process Using SSZ-91 And SSZ-95 QIAN, YUN 32d overdue
18319462 METHOD FOR PREPARING ALUMINOSILICATE SSZ-82 QIAN, YUN 25d overdue
18270208 SELECTIVE HYDROCRACKING OF NORMAL PARAFFINS MCCAIG, BRIAN A 19d overdue
18128429 CIRCULAR ECONOMY FOR PLASTIC WASTE TO POLYPROPYLENE AND BASE OIL VIA REFINERY CRUDE UNIT NGUYEN, TAM M 3d overdue
19075599 REPURPOSING FLUIDIZED CATALYTIC CRACKING (FCC) SYSTEMS TO GENERATE RENEWABLE FUEL INTERMEDIATE COMPOSITIONS JEONG, YOUNGSUL 6d
19479782 METHODS AND SYSTEMS FOR OPTIMIZING THE STORAGE OF CARBON IN SUBTERRANEAN MAFIC AND ULTRAMAFIC ROCK FORMATIONS SUE-AKO, ANDREW B. 7d
19243546 Manufacturing Micro-proppant Onsite SUE-AKO, ANDREW B. 16d

Top Art Units

Art UnitApps
1771 12
2857 7
1772 4
3674 3
1732 3
1738 3
2858 2
3645 2
1736 2
2187 2

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19479782 METHODS AND SYSTEMS FOR OPTIMIZING THE STORAGE OF CARBON IN SUBTERRANEAN MAFIC AND ULTRAMAFIC ROCK FORMATIONS SUE-AKO, ANDREW B. 3674 §112 Non-Final OA 7d Pending Oct 29, 2025
19243546 Manufacturing Micro-proppant Onsite SUE-AKO, ANDREW B. 3674 §103 Non-Final OA 16d Pending Jun 19, 2025
19237858 COMPOSITIONS AND METHODS FOR TREATING UNCONVENTIONAL SUBTERRANEAN FORMATIONS RUNYAN, SILVANA C 3674 §103 Non-Final OA 75d Pending Jun 13, 2025
19075599 REPURPOSING FLUIDIZED CATALYTIC CRACKING (FCC) SYSTEMS TO GENERATE RENEWABLE FUEL INTERMEDIATE COMPOSITIONS JEONG, YOUNGSUL 1772 §103 Non-Final OA 6d Pending Mar 10, 2025
19102185 ENHANCED SUBSEA PRODUCTION RECOVERY USING SUBSEA JET PUMPS BOBISH, CHRISTOPHER S 3746 §103 Non-Final OA 16d Pending Feb 07, 2025
18975959 FUEL ADDITIVES FOR REDUCING LOW SPEED PRE-IGNITION EVENTS TOOMER, CEPHIA D 1771 §103 Final Rejection 86d Pending Dec 10, 2024
18791588 SUBSEA HIGH VOLTAGE LOOP CAP FOR TESTING AND MONITORING SUBSEA ELECTRICAL POWER SYSTEMS HE, AMY 2858 §103 Non-Final OA 9d Pending Aug 01, 2024
18773287 INTERMEDIATE AND HYDROTREATED FUEL COMPOSITIONS FROM RENEWABLE LIPID FEEDSTOCKS PO, MING CHEUNG 1771 §103 Final Rejection 34d Pending Jul 15, 2024
18771574 SYSTEM AND METHOD FOR ORCHESTRATING THE DETERMINATION OF A PRODUCT CARBON FOOTPRINT SANTOS-DIAZ, MARIA C 3629 §101 Final Rejection 8d overdue Pending Jul 12, 2024
18667035 SLURRY REACTOR SYSTEM FOR UPGRADING FEEDSTOCK HINES, LATOSHA D 1771 §103 Non-Final OA 28d Pending May 17, 2024
18697891 FUEL ADDITIVES FOR LOWERING DEPOSIT AND PARTICULATE EMISSION TOOMER, CEPHIA D 1771 §103 Non-Final OA 43d Pending Apr 02, 2024
18617309 REFORMING PROCESS MCCAIG, BRIAN A 1772 §103 Non-Final OA 56d overdue Pending Mar 26, 2024
18597826 DEEPWATER RESONATOR ARRAY FOR SUBSEA NOISE MITIGATION PHILLIPS, FORREST M 2837 §103 Non-Final OA 24d overdue Pending Mar 06, 2024
18414853 SYSTEM AND METHOD FOR TESTING WELL INTEGRITY WALKER, CHRISTOPHER RICHARD 3645 §103 Final Rejection 8d overdue Pending Jan 17, 2024
18576716 HIGHLY STRUCTURED, HIGH VINYLIDENE PROPYLENE OLIGOMER AND METHOD OF MAKING CHONG, JASON Y 1772 §103 Non-Final OA 19d overdue Pending Jan 04, 2024
18503615 HYBRID POWER SYSTEMS FOR EQUIPMENT USED IN SUBTERRANEAN FIELD OPERATIONS AHMED, ISTIAQUE 2116 §103 Non-Final OA 2d overdue Pending Nov 07, 2023
18385775 OPTIMIZING A FIELD OPERATION THAT COMPRISES A GAS INJECTION DO, AN H 2853 §101 Non-Final OA 11d overdue Pending Oct 31, 2023
18556671 FILTRATION DEVICE FOR A DOWN-FLOW HYDROPROCESSING REACTOR NORRIS, CLAIRE A 1779 §103 Non-Final OA 46d overdue Pending Oct 21, 2023
18482827 SYSTEM AND METHOD FOR PROCESSING DISTRIBUTED ACOUSTIC SENSING SEISMIC DATA ISHIZUKA, YOSHIHISA 2857 §112 Non-Final OA 49d overdue Pending Oct 06, 2023
18479566 INTEGRATED FLUID LEAK DETECTION USING MULTIPLE SENSORS SULTANA, DILARA 2858 §103 Non-Final OA 15d Pending Oct 02, 2023
18552665 MOLECULAR SIEVE SSZ-94, CATALYST, AND METHODS OF USE THEREOF LALISSE, REMY FREDERIC 1732 §103 Non-Final OA 8d overdue Pending Sep 26, 2023
18243192 FLUID CATALYTIC CRACKING METHOD EMPLOYING A WASTE PLASTIC FEEDSTOCK NGUYEN, TAM M 1771 §103 Non-Final OA 16d Pending Sep 07, 2023
18234017 METHOD FOR PRODUCING LIQUEFIED CARBON DIOXIDE FROM LIQUEFIED NATURAL GAS DAVIS, SHENG HAN 1732 §103 Non-Final OA 22d Pending Aug 15, 2023
18365023 SYSTEM AND METHOD FOR SEISMIC INTERPRETATION USING MULTISPECTRAL VARIANCE TURNER, SHELBY AUBURN 2857 §102 Non-Final OA 146d overdue Pending Aug 03, 2023
18270208 SELECTIVE HYDROCRACKING OF NORMAL PARAFFINS MCCAIG, BRIAN A 1772 §112 Non-Final OA 19d overdue Pending Jun 29, 2023
18269922 SELECTIVE HYDROCRACKING OF NORMAL PARAFFIN SHERMAN, ERIC SCOTT 1736 Other Final Rejection 56d overdue Pending Jun 27, 2023
18269754 PROCESSES FOR PRODUCING DIESEL FROM UNCONVENTIONAL FEEDSTOCKS SPEER, JOSHUA MAXWELL 1736 §103 Non-Final OA 15d Pending Jun 26, 2023
18338224 MOLECULAR SIEVE SSZ-92, CATALYST, AND METHODS OF USE THEREOF BOYER, RANDY 1771 §103 Final Rejection 45d overdue Pending Jun 20, 2023
18331115 Systems And Methods For Providing Battery Usage GO, RICKY 2857 §101 Non-Final OA 14d Pending Jun 07, 2023
18325211 MOLECULAR SIEVE BORON SSZ-121, ITS SYNTHESIS AND USE QUIST, NICOLE LEE 1738 Other Non-Final OA 9d overdue Pending May 30, 2023
18319462 METHOD FOR PREPARING ALUMINOSILICATE SSZ-82 QIAN, YUN 1738 §103 Non-Final OA 25d overdue Pending May 17, 2023
18036621 Catalyst System And Process Using SSZ-91 And SSZ-95 QIAN, YUN 1738 §103 Non-Final OA 32d overdue Pending May 11, 2023
18311884 SYSTEM AND METHOD FOR ASPHALTENE ANOMALY PREDICTION VAUGHN, RYAN C 2125 §101 Final Rejection 46d Pending May 03, 2023
18035171 SUBSURFACE CHARACTERIZATION BASED ON MULTIPLE CORRELATION SCENARIOS CORDERO, LINA M 2857 §101 Final Rejection 28d Pending May 03, 2023
18128429 CIRCULAR ECONOMY FOR PLASTIC WASTE TO POLYPROPYLENE AND BASE OIL VIA REFINERY CRUDE UNIT NGUYEN, TAM M 1771 §103 Final Rejection 3d overdue Pending Mar 30, 2023
18043738 PROCESS AND SYSTEM FOR BASE OIL PRODUCTION USING BIMETALLIC SSZ-91 CATALYST VALENCIA, JUAN C 1771 §103 Non-Final OA 33d Pending Mar 02, 2023
18042715 TRIMETAL SUPPORTED CATALYST VALENCIA, JUAN C 1771 §103 Non-Final OA 22d overdue Pending Feb 23, 2023
18104087 SYSTEMS AND METHODS FOR DETECTING FRACTURE-DRIVEN INTERACTIONS AND IDENTIFYING FRACTURE-DRIVEN INTERACTION RISK IN A SUBSURFACE VOLUME OF INTEREST PARK, HYUN D 2857 §101 Final Rejection 31d overdue Pending Jan 31, 2023
18006495 HIGH ACTIVITY SECOND STAGE NAPHTHA HYDROCRACKING CATALYST VALENCIA, JUAN C 1771 §112 Non-Final OA 31d overdue Pending Jan 23, 2023
18003449 STRATIGRAPHIC METHODS ABULABAN, ABDALLAH 3645 §103 Non-Final OA 12d Pending Dec 27, 2022
18003420 SILICA IN ROCK SAMPLES ISLAM, MOHAMMAD K 2857 §102 Non-Final OA 65d Pending Dec 27, 2022
18003459 PROPERTIES OF ROCKS KNOX, KALERIA 2857 §103 Final Rejection Pending Dec 27, 2022
18145740 VIRTUAL FLOW RATE TEST COOK, BRIAN S 2187 §103 Non-Final OA 6d Pending Dec 22, 2022
18054281 MOVING BED LIGNOCELLULOSIC BIOMASS CONVERSION WITH FLUID BED CATALYST REGENERATION ZHANG, KELING NMN 1732 §103 Final Rejection 81d overdue Pending Nov 10, 2022
17920977 POLYANIONIC SURFACTANTS AND METHODS OF MAKING AND USING THEREOF LI, AIQUN 1766 §103 Final Rejection 28d Pending Oct 24, 2022
17963559 MULTIVARIATE NORMALIZATION OF WELL LOGS USING PROBABILITY DISTRIBUTION MODELING WAJE, CARLO C 2151 §101 Non-Final OA 29d Pending Oct 11, 2022
17774085 Silica-Alumina Composite Materials for Hydroprocessing Applications RUMP, RICHARD M 1759 §103 Non-Final OA 57d Pending May 03, 2022
17719022 GENERATING A RESERVOIR PERFORMANCE FORECAST KIM, EUNHEE 2188 §103 Final Rejection 30d Pending Apr 12, 2022
17654632 SYSTEM AND METHOD FOR SEISMIC VELOCITY AND ANISOTROPIC PARAMETER MODELING COCCHI, MICHAEL EDWARD 2188 §101 Non-Final OA 16d Pending Mar 14, 2022
17681109 WORKFLOW OF INFLOW PERFORMANCE RELATIONSHIP FOR A RESERVOIR USING MACHINE LEARNING TECHNIQUE JOHANSEN, JOHN E 2187 §103 Final Rejection 15d Pending Feb 25, 2022
17634438 PROCESS FOR IMPROVING BASE OIL YIELDS DOYLE, BRANDI M 1771 Other Non-Final OA 51d overdue Pending Feb 10, 2022
17368918 FUEL ADDITIVES FOR MITIGATING INJECTOR NOZZLE FOULING AND REDUCING PARTICULATE EMISSIONS GOLOBOY, JAMES C 1771 §103 Final Rejection 37d overdue Pending Jul 07, 2021

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