Prosecution Insights
Last updated: October 02, 2026

Lummus Technology LLC

Technology area: Chemistry & Materials

12 pending office actions • 4 art units • 9 examiners • 0 of 12 (0%) have an AI response strategy ready • 17 patents granted in the last 365 days

Analysis

Lummus Technology LLC currently manages 12 pending office actions within the Chemistry & Materials technology area. These 12 actions are distributed across 4 distinct art units, suggesting a variety of chemical processes or materials are under review. The prosecution involves 9 distinct examiners, which indicates that some examiners are handling multiple cases for the company.

DOYLE, BRANDI M is the busiest examiner for this portfolio, currently overseeing 3 pending office actions. This count of 3 is the highest number of actions assigned to any single examiner in the group. With 9 distinct examiners for 12 pending office actions, the workload is relatively concentrated, as evidenced by DOYLE, BRANDI M managing 3 of those actions.

The 4 distinct art units involved mean that the 12 pending office actions are subject to the standards of several different examination groups. Practitioners should note that while there are 9 distinct examiners, the concentration of 3 actions under DOYLE, BRANDI M provides a primary point of contact for these specific cases within the 12 pending office actions. This mix of 9 distinct examiners across 12 pending office actions requires a strategy that balances individual examiner preferences with the broader Chemistry & Materials focus.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Portfolio Summary

12
Total Pending OAs
10
Non-Final OAs
1
Final Rejections
1
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 2 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

1
Overdue
0
Due this week
1
Due this month
0
Due in next 60 days
0
Due later

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.

4
Hard (33%)
6
Medium (50%)
2
Easy (17%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only6 (50%)
Double-patenting only2 (17%)
Multi-statute (no §101)4 (33%)

Industry Mix

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

8
Life Sciences
67% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
1
Mechanical / Eng
8% of docket
3
Business / Other
25% 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.

120 h
Manual time on pending OAs
24 h
Time saved (low, 20%)
42 h
Time saved (mid, 35%)
1.1 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
DOYLE, BRANDI M 3 62.7% +11.9%
STEIN, MICHELLE 2 45.2% +35.6%
MCAVOY, ELLEN M 1 72.8% +8.7%
CEPLUCH, ALYSSA L 1 63.0% +24.6%
PETTITT, JOHN F 1 26.0% +21.8%
PEREIRO, JORGE ANDRES 1 63.6% +21.2%
GERMAIN, ADAM ADRIEN 1 33.3% +4.9%
BAHTA, MEDHANIT W 1 80.6% +28.2%
CHIU, TAK LIANG 1 48.8% +20.7%

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
17813614 TRIFUNCTIONAL PROCESSES IN CATALYTIC DISTILLATION BAHTA, MEDHANIT W 12d

Hard Cases (4)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 4 ordered by deadline are shown.

App #TitleExaminerDue in
18002667 TREATMENT OF NITROGEN COMPOUNDS IN SPENT CAUSTIC GERMAIN, ADAM ADRIEN 11d overdue
18911059 INTEGRATED PROCESS SOLUTION FOR MAXIMIZING CRUDE TO LIGHT OLEFINS AND CHEMICALS CEPLUCH, ALYSSA L —
18797813 UTILIZING PIPELINE CO2 FOR ENERGY STORAGE PETTITT, JOHN F —
18775343 HEATER WITH REMOTE COMBUSTION AIR ADDITION PEREIRO, JORGE ANDRES —

Interview Candidates (10)

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
17813614 TRIFUNCTIONAL PROCESSES IN CATALYTIC DISTILLATION BAHTA, MEDHANIT W 12d
18915111 THERMAL CRACKING OF CONDENSATES TO PRODUCE OLEFINS AND DIESEL DOYLE, BRANDI M —
18911059 INTEGRATED PROCESS SOLUTION FOR MAXIMIZING CRUDE TO LIGHT OLEFINS AND CHEMICALS CEPLUCH, ALYSSA L —
18809383 THERMAL CRACKING OF CRUDES TO CHEMICALS WITH HEAT TRANSFER FLUIDS DOYLE, BRANDI M —
18797813 UTILIZING PIPELINE CO2 FOR ENERGY STORAGE PETTITT, JOHN F —
18775343 HEATER WITH REMOTE COMBUSTION AIR ADDITION PEREIRO, JORGE ANDRES —
18763878 INTEGRATED CONFIGURATION UTILIZING AN ALTERNATE STRIPPING MEDIUM FOR HYDROCARBON SEPARATION STEIN, MICHELLE —
18757122 ELECTRIC ADIABATIC HEATER FOR OLEFIN PRODUCTION DOYLE, BRANDI M —

Top Art Units

Art UnitApps
1771 5
1777 2
3763 1
1692 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18957557 PROCESS FOR MAXIMIZING LIGHT OLEFINS VIA AROMATICS SATURATION IN FCC AND STEAM CRACKER BASED CRUDE TO CHEMICALS CONFIGURATION MCAVOY, ELLEN M — DP Non-Final OA — Pending Nov 22, 2024
18915111 THERMAL CRACKING OF CONDENSATES TO PRODUCE OLEFINS AND DIESEL DOYLE, BRANDI M 1771 §103 Final Rejection — Pending Oct 14, 2024
18911059 INTEGRATED PROCESS SOLUTION FOR MAXIMIZING CRUDE TO LIGHT OLEFINS AND CHEMICALS CEPLUCH, ALYSSA L — §103§112Other Non-Final OA — Pending Oct 09, 2024
18809383 THERMAL CRACKING OF CRUDES TO CHEMICALS WITH HEAT TRANSFER FLUIDS DOYLE, BRANDI M 1771 §103 Non-Final OA — Pending Aug 20, 2024
18797813 UTILIZING PIPELINE CO2 FOR ENERGY STORAGE PETTITT, JOHN F 3763 §102§103§112 Non-Final OA — Pending Aug 08, 2024
18775343 HEATER WITH REMOTE COMBUSTION AIR ADDITION PEREIRO, JORGE ANDRES — §102§103§112 Non-Final OA — Pending Jul 17, 2024
18763878 INTEGRATED CONFIGURATION UTILIZING AN ALTERNATE STRIPPING MEDIUM FOR HYDROCARBON SEPARATION STEIN, MICHELLE 1771 §103 Non-Final OA — Pending Jul 03, 2024
18757122 ELECTRIC ADIABATIC HEATER FOR OLEFIN PRODUCTION DOYLE, BRANDI M 1771 DP Non-Final OA — Pending Jun 27, 2024
18251361 ELECTRIC FURNACE TO PRODUCE OLEFINS STEIN, MICHELLE 1771 §103 Non-Final OA — Pending May 01, 2023
18002667 TREATMENT OF NITROGEN COMPOUNDS IN SPENT CAUSTIC GERMAIN, ADAM ADRIEN 1777 §102§103§112 Non-Final OA 11d overdue Pending Dec 21, 2022
17813614 TRIFUNCTIONAL PROCESSES IN CATALYTIC DISTILLATION BAHTA, MEDHANIT W 1692 §103 Non-Final OA 12d Pending Jul 20, 2022
17599683 SYSTEM FOR REDUCING TOTAL CARBON CONSUMPTION IN THE GENERATION OF LOW CHEMICAL OXYGEN DEMAND TREATED STREAMS CHIU, TAK LIANG 1777 §103 Non-Final OA — Pending Sep 29, 2021

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