Prosecution Insights
Last updated: September 26, 2026

Shell USA Inc.

Technology area: Chemistry & Materials

21 pending office actions • 9 art units • 18 examiners • 0 of 21 (0%) have an AI response strategy ready • 38 patents granted in the last 365 days

Portfolio Summary

21
Total Pending OAs
16
Non-Final OAs
3
Final Rejections
2
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 7 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

4
Overdue
0
Due this week
1
Due this month
2
Due in next 60 days
0
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. 7 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (4)Due ≤ 30 days (1)Due ≤ 60 days (2)

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.

10
Hard (48%)
10
Medium (48%)
1
Easy (5%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 only1 (5%)
§103 only9 (43%)
§112 only1 (5%)
Double-patenting + other1 (5%)
Multi-statute (no §101)9 (43%)

Industry Mix

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

10
Life Sciences
48% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
2
Mechanical / Eng
10% of docket
9
Business / Other
43% 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.

210 h
Manual time on pending OAs
42 h
Time saved (low, 20%)
74 h
Time saved (mid, 35%)
1.8 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
DOYLE, BRANDI M 2 62.7% +12.0%
STEIN, MICHELLE 2 44.9% +35.6%
SEIFU, LESSANEWORK T 2 79.2% +1.0%
PO, MING CHEUNG 1 37.6% +13.5%
CEPLUCH, ALYSSA L 1 62.7% +24.8%
PAPE, ZACHARY 1 72.4% +19.5%
VILAKAZI, SIZO BINDA 1 74.3% +11.3%
NOAKES, SUZANNE MARIE 1 73.3% +18.2%
CRAIG, DANIEL THOMAS 1 83.3% +27.8%
HINES, LATOSHA D 1 51.1% +21.9%

Quick Wins (1)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 1 ordered by deadline are shown.

App #TitleExaminerDue in
18702468 DOWNHOLE INJECTION TOOL AND METHOD FOR INJECTING A FLUID IN AN ANNULUS SURROUNDING A DOWNHOLE TUBULAR CRAIG, DANIEL THOMAS 110d overdue

Hard Cases (10)

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
18568305 OLEFINS PRODUCTION PROCESS ROBINSON, RENEE E 46d overdue
18491954 RAPID SOLID-STATE FOAMING FITZSIMMONS, ALLISON G 47d
18871273 PROCESS FOR PRODUCING KEROSENE AND/OR DIESEL FROM RENEWABLE SOURCES DOYLE, BRANDI M —
18955184 HYDROCARBON CRACKING PROCESS FOR CONVERTING RENEWABLE/CIRCULAR FEEDS TO LOWER OLEFINS CEPLUCH, ALYSSA L —
18857287 THERMAL MANAGEMENT SYSTEM PAPE, ZACHARY —
18686646 METHOD FOR GENERATING A HYDROGEL FROM A CO2 GAS STREAM AMATO, ELIZABETH KATHRYN —
18393770 SYSTEM AND METHOD FOR HYDROPROCESSING HIGH CHLORIDE FEEDSTOCKS VALENCIA, JUAN C —
18555143 PROCESS FOR HYDROPROCESSING MATERIALS FROM RENEWABLE SOURCES SEIFU, LESSANEWORK T —

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
18702468 DOWNHOLE INJECTION TOOL AND METHOD FOR INJECTING A FLUID IN AN ANNULUS SURROUNDING A DOWNHOLE TUBULAR CRAIG, DANIEL THOMAS 110d overdue
18686426 PROCESS FOR PRODUCING KEROSENE AND DIESEL FROM RENEWABLE SOURCES STEIN, MICHELLE 51d overdue
18842383 DUAL FUEL ENGINE SYSTEM VILAKAZI, SIZO BINDA 25d overdue
18247106 RECOVERY OF ALIPHATIC HYDROCARBONS STEIN, MICHELLE 14d
18878711 FUEL COMPOSITIONS PO, MING CHEUNG —
18873770 PARTICULATE REMOVAL SYSTEM FOR USE IN HYDROPROCESSING DOYLE, BRANDI M —
18871273 PROCESS FOR PRODUCING KEROSENE AND/OR DIESEL FROM RENEWABLE SOURCES DOYLE, BRANDI M —
18955184 HYDROCARBON CRACKING PROCESS FOR CONVERTING RENEWABLE/CIRCULAR FEEDS TO LOWER OLEFINS CEPLUCH, ALYSSA L —

Top Art Units

Art UnitApps
1771 4
3747 1
3676 1
1772 1
1773 1
1626 1
1738 1
1777 1
1774 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18878711 FUEL COMPOSITIONS PO, MING CHEUNG — §103 Non-Final OA — Pending Dec 24, 2024
18873770 PARTICULATE REMOVAL SYSTEM FOR USE IN HYDROPROCESSING DOYLE, BRANDI M — §103 Non-Final OA — Pending Dec 11, 2024
18871273 PROCESS FOR PRODUCING KEROSENE AND/OR DIESEL FROM RENEWABLE SOURCES DOYLE, BRANDI M — §102§103§112 Non-Final OA — Pending Dec 03, 2024
18955184 HYDROCARBON CRACKING PROCESS FOR CONVERTING RENEWABLE/CIRCULAR FEEDS TO LOWER OLEFINS CEPLUCH, ALYSSA L — §103§112 Non-Final OA — Pending Nov 21, 2024
18857287 THERMAL MANAGEMENT SYSTEM PAPE, ZACHARY — §102§103 Non-Final OA — Pending Oct 16, 2024
18842383 DUAL FUEL ENGINE SYSTEM VILAKAZI, SIZO BINDA 3747 §103 Non-Final OA 25d overdue Pending Aug 28, 2024
18838044 PROCESS FOR WHOLE-CELL BIOSYNTHESIS OF STYRENE NOAKES, SUZANNE MARIE — §112 Non-Final OA — Pending Aug 13, 2024
18702468 DOWNHOLE INJECTION TOOL AND METHOD FOR INJECTING A FLUID IN AN ANNULUS SURROUNDING A DOWNHOLE TUBULAR CRAIG, DANIEL THOMAS 3676 §103 Final Rejection 110d overdue Pending Apr 18, 2024
18695428 AVIATION FUEL COMPOSITION HINES, LATOSHA D 1771 §103 Final Rejection — Pending Mar 26, 2024
18686646 METHOD FOR GENERATING A HYDROGEL FROM A CO2 GAS STREAM AMATO, ELIZABETH KATHRYN — §103§112 Non-Final OA — Pending Feb 26, 2024
18686426 PROCESS FOR PRODUCING KEROSENE AND DIESEL FROM RENEWABLE SOURCES STEIN, MICHELLE 1771 §103Other Non-Final OA 51d overdue Pending Feb 25, 2024
18393770 SYSTEM AND METHOD FOR HYDROPROCESSING HIGH CHLORIDE FEEDSTOCKS VALENCIA, JUAN C 1771 §103§112 Non-Final OA — Pending Dec 22, 2023
18568305 OLEFINS PRODUCTION PROCESS ROBINSON, RENEE E 1772 §103§112 Non-Final OA 46d overdue Pending Dec 08, 2023
18491954 RAPID SOLID-STATE FOAMING FITZSIMMONS, ALLISON G 1773 §101Other Non-Final OA 47d Pending Oct 23, 2023
18555143 PROCESS FOR HYDROPROCESSING MATERIALS FROM RENEWABLE SOURCES SEIFU, LESSANEWORK T — §103§112 Non-Final OA — Pending Oct 12, 2023
18255891 METHODS AND SYSTEMS FOR PRODUCTION OF FURFURAL AGUIRRE, AMANDA L 1626 §103§112 Non-Final OA — Pending Jun 05, 2023
18254230 A METHOD FOR PRODUCING SYNGAS USING CATALYTIC REVERSE WATER GAS SHIFT QUIST, NICOLE LEE 1738 §103§112DP Non-Final OA — Pending May 24, 2023
18253809 PROCESS FOR PRE-TREATING RENEWABLE FEEDSTOCKS MENON, KRISHNAN S 1777 §103 Non-Final OA 54d Pending May 22, 2023
18247106 RECOVERY OF ALIPHATIC HYDROCARBONS STEIN, MICHELLE 1771 §103Other Final Rejection 14d Pending Mar 29, 2023
17851293 TREATMENT OF PLASTIC-DERIVED OIL SEIFU, LESSANEWORK T 1774 §103 Non-Final OA — Pending Jun 28, 2022
18261868 GAS DISTRIBUTOR NOZZLE SYSTEM WITH SINTERED METAL FILTER MEDIA BOYER, RANDY — §102§103§112 Non-Final OA — Pending Jul 18, 2023

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