Prosecution Insights
Last updated: October 27, 2026

IFP Energies nouvelles

Technology areas: Biotechnology & Pharmaceuticals • Chemistry & Materials

27 pending office actions • 15 art units • 22 examiners • 0 of 27 (0%) have an AI response strategy ready • 46 patents granted in the last 365 days

Analysis

IFP Energies nouvelles has 30 pending office actions in Chemistry & Materials. The portfolio spans 24 examiners and 16 art units, indicating distributed examination across a moderately broad technical structure.

ROBINSON, RENEE E is the busiest examiner, with 3 pending matters. That repeated assignment supports targeted examiner review, while technical and art-unit grouping can help coordinate the larger set of chemistry responses.

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

Portfolio Summary

27
Total Pending OAs
17
Non-Final OAs
9
Final Rejections
1
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 9 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

3
Overdue
0
Due this week
4
Due this month
1
Due in next 60 days
1
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. 9 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (3)Due ≤ 30 days (4)Due ≤ 60 days (1)Due later (1)

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.

13
Hard (48%)
11
Medium (41%)
3
Easy (11%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other2 (7%)
§103 only9 (33%)
§102 only1 (4%)
§112 only3 (11%)
Double-patenting + other1 (4%)
Multi-statute (no §101)11 (41%)

Industry Mix

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

22
Life Sciences
81% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
2
Semiconductors
7% of docket
2
Mechanical / Eng
7% of docket
1
Business / Other
4% 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.

270 h
Manual time on pending OAs
54 h
Time saved (low, 20%)
94 h
Time saved (mid, 35%)
2.4 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
ROBINSON, RENEE E 3 73.7% +24.2%
PO, MING CHEUNG 2 37.7% +13.8%
OLADAPO, TAIWO 2 53.2% +11.8%
NGUYEN, TAM M 2 77.1% +11.7%
RUNYAN, SILVANA C 1 82.5% +17.0%
GRAHAM, CHANTEL LORAN 1 71.8% +11.5%
UPCHURCH, DAVID M 1 73.7% +18.0%
MEAH, MOHAMMAD Y 1 70.7% +42.8%
ROBINSON, HOPE A 1 67.7% +43.0%
MCCULLOUGH, ERIC J. 1 31.9% +43.1%

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
19544108 METHOD FOR MODIFYING THE PERMEABILITY OF A GEOLOGICAL FORMATION ZONE RUNYAN, SILVANA C —

Hard Cases (13)

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
17295198 METHOD FOR THE PRODUCTION OF ENZYMES BY A STRAIN BELONGING TO A FILAMENTOUS FUNGUS STEADMAN, DAVID J 16d
18284446 UPGRADING OF THE AROMATICS ORIGINATING FROM CATALYTIC CRACKED GASOLINES TO THE AROMATICS COMPLEX NGUYEN, TAM M 70d
18994343 METHOD FOR REJUVENATING A CATALYST FROM A HYDROPROCESSING AND/OR HYDROCRACKING PROCESS ROBINSON, RENEE E —
18875054 METHOD FOR PROCESSING LIGNOCELLULOSIC BIOMASS MEAH, MOHAMMAD Y —
18863174 EXTRACTION COLUMN HAVING ALTERNATING COMPARTMENT HEIGHTS PO, MING CHEUNG —
18851734 PROCESS FOR PRODUCING CELLULOLYTIC AND/OR HEMICELLULOLYTIC ENZYMES ROBINSON, HOPE A —
18721818 HYDROCONVERSION IN AN EBULLATED OR HYBRID EBULLATED/ENTRAINED BED OF A FEEDSTOCK COMPRISING A PLASTIC FRACTION ROBINSON, RENEE E —
18721473 VARIABLE PERFORATION LIQUID-LIQUID EXTRACTION COLUMN MCCULLOUGH, ERIC J. —

Interview Candidates (15)

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
18713994 HYDROCRACKING CATALYST COMPRISING A ZEOLITE Y HAVING A LATTICE PARAMETER STRICTLY GREATER THAN 24.50 ANGSTROM AND A BETA ZEOLITE WITH A Y/BETA RATIO OF BETWEEN 5 AND 12 FOR THE PRODUCTION OF NAPHTHA OLADAPO, TAIWO 5d overdue
18713324 HYDROCRACKING CATALYST COMPRISING A ZEOLITE Y AND A ZEOLITE BETA WITH A Y/BETA RATIO STRICTLY GREATER THAN 12 FOR NAPHTHA PRODUCTION OLADAPO, TAIWO 5d overdue
18269133 METHOD FOR OLIGOMERISATION IN A GAS/LIQUID REACTOR COMPRISING A CENTRAL DUCT NGUYEN, TAM M 3d overdue
18720522 PROCESS FOR RECOVERING MERCAPTANS, WITH SPECIFIC NI/NIO RATIO AND TEMPERATURE SELECTION PO, MING CHEUNG 14d
18284446 UPGRADING OF THE AROMATICS ORIGINATING FROM CATALYTIC CRACKED GASOLINES TO THE AROMATICS COMPLEX NGUYEN, TAM M 70d
19544108 METHOD FOR MODIFYING THE PERMEABILITY OF A GEOLOGICAL FORMATION ZONE RUNYAN, SILVANA C —
18996899 METHOD FOR REGENERATING A ZEOLITE-BASED HYDROCRACKING CATALYST, AND USE THEREOF IN A HYDROCRACKING PROCESS GRAHAM, CHANTEL LORAN —
18994343 METHOD FOR REJUVENATING A CATALYST FROM A HYDROPROCESSING AND/OR HYDROCRACKING PROCESS ROBINSON, RENEE E —

Top Art Units

Art UnitApps
1771 6
1772 4
1652 3
2857 2
1616 1
3677 1
1731 1
3627 1
1773 1
1766 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19544108 METHOD FOR MODIFYING THE PERMEABILITY OF A GEOLOGICAL FORMATION ZONE RUNYAN, SILVANA C 1616 §112 Non-Final OA — Pending Feb 19, 2026
18996899 METHOD FOR REGENERATING A ZEOLITE-BASED HYDROCRACKING CATALYST, AND USE THEREOF IN A HYDROCRACKING PROCESS GRAHAM, CHANTEL LORAN 1771 §103 Non-Final OA — Pending Jan 17, 2025
18994343 METHOD FOR REJUVENATING A CATALYST FROM A HYDROPROCESSING AND/OR HYDROCRACKING PROCESS ROBINSON, RENEE E 1772 §103§112 Non-Final OA — Pending Jan 14, 2025
18876227 SYSTEM FOR LOCKING AND UNLOCKING AN ELONGATE ELEMENT WITH SLEEVE AND TWO SECURING ELEMENTS, ONE AT EACH END OF THE SLEEVE UPCHURCH, DAVID M 3677 §102 Non-Final OA — Pending Dec 18, 2024
18875054 METHOD FOR PROCESSING LIGNOCELLULOSIC BIOMASS MEAH, MOHAMMAD Y 1652 §103§112 Non-Final OA — Pending Dec 13, 2024
18863174 EXTRACTION COLUMN HAVING ALTERNATING COMPARTMENT HEIGHTS PO, MING CHEUNG 1772 §103§112 Non-Final OA — Pending Nov 05, 2024
18851734 PROCESS FOR PRODUCING CELLULOLYTIC AND/OR HEMICELLULOLYTIC ENZYMES ROBINSON, HOPE A 1652 §102§103§112 Non-Final OA — Pending Sep 27, 2024
18722353 GAS-LIQUID SEPARATION DEVICE WITH A ZONE FOR GUIDING THE LIQUID AT THE OUTLET END, IN PARTICULAR FOR A THREE-PHASE FLUIDISED BED REACTOR ROBINSON, RENEE E 1772 §103 Final Rejection — Pending Jun 20, 2024
18721818 HYDROCONVERSION IN AN EBULLATED OR HYBRID EBULLATED/ENTRAINED BED OF A FEEDSTOCK COMPRISING A PLASTIC FRACTION ROBINSON, RENEE E 1772 §103§112 Final Rejection — Pending Jun 19, 2024
18721473 VARIABLE PERFORATION LIQUID-LIQUID EXTRACTION COLUMN MCCULLOUGH, ERIC J. — §102§103§112 Non-Final OA — Pending Jun 18, 2024
18720522 PROCESS FOR RECOVERING MERCAPTANS, WITH SPECIFIC NI/NIO RATIO AND TEMPERATURE SELECTION PO, MING CHEUNG 1771 §103 Final Rejection 14d Pending Jun 14, 2024
18714128 SYSTEM AND METHOD FOR LOCATING THE SOURCE OF AN EMISSION OF GAS OR PARTICLES KNOX, KALERIA 2857 §101§112 Non-Final OA — Pending May 29, 2024
18713994 HYDROCRACKING CATALYST COMPRISING A ZEOLITE Y HAVING A LATTICE PARAMETER STRICTLY GREATER THAN 24.50 ANGSTROM AND A BETA ZEOLITE WITH A Y/BETA RATIO OF BETWEEN 5 AND 12 FOR THE PRODUCTION OF NAPHTHA OLADAPO, TAIWO 1771 §103 Non-Final OA 5d overdue Pending May 28, 2024
18713324 HYDROCRACKING CATALYST COMPRISING A ZEOLITE Y AND A ZEOLITE BETA WITH A Y/BETA RATIO STRICTLY GREATER THAN 12 FOR NAPHTHA PRODUCTION OLADAPO, TAIWO 1771 §103 Final Rejection 5d overdue Pending May 24, 2024
18575093 ABSORBENT AQUEOUS COMPOSITION CONTAINING A BASE AND AN AZOLE FOR SEPARATING CARBON DIOXIDE FROM A GASEOUS EFFLUENT CHU, YONG LIANG 1731 §102§103§112 Non-Final OA — Pending Dec 28, 2023
18555771 METHOD FOR CONSTRUCTING A MODEL SIMULATING A CHEMICAL REACTION CRAWLEY, TALIA F 3627 §101§103 Non-Final OA — Pending Oct 17, 2023
18284446 UPGRADING OF THE AROMATICS ORIGINATING FROM CATALYTIC CRACKED GASOLINES TO THE AROMATICS COMPLEX NGUYEN, TAM M 1771 §102§103 Non-Final OA 70d Pending Sep 27, 2023
18283737 DEVICE AND METHOD FOR SIMULATED MOVING BED SEPARATION WITH A LARGE HEIGHT/DIAMETER RATIO MCGANN, BERNADETTE KAREN 1773 §103 Non-Final OA — Pending Sep 22, 2023
18269133 METHOD FOR OLIGOMERISATION IN A GAS/LIQUID REACTOR COMPRISING A CENTRAL DUCT NGUYEN, TAM M 1771 §103 Final Rejection 3d overdue Pending Jun 22, 2023
18266895 METHOD FOR TREATING WASTE PLASTICS BY POLYMER DISSOLUTION AND ADSORPTION PURIFICATION ROSEBACH, CHRISTINA H.W. 1766 §103§112Other Non-Final OA — Pending Jun 13, 2023
18032851 METHOD FOR PREPARING AN IZM-2 BASED CATALYST BY A SPECIFIC HEAT TREATMENT AND USE OF SAID CATALYST FOR THE ISOMERISATION OF PARAFFINIC FEEDSTOCKS TO MIDDLE DISTILLATES PATEL, SMITA S 1732 §103Other Final Rejection — Pending Apr 20, 2023
18042059 METHOD FOR DETERMINING AN ELECTROFACIES INTERPRETATION OF MEASUREMENTS CARRIED OUT IN A WELL LIANG, LEONARD S 2857 §112 Non-Final OA 42d Pending Feb 17, 2023
17780088 Fungus Strain Having Decreased Viscosity PAK, YONG D 1652 §103 Final Rejection — Pending May 26, 2022
17632850 METHOD FOR TREATING GAS BY ADSORPTION USING THERMALLY OPTIMISED HOT FLASH SOLVENT REGENERATION HOBSON, STEPHEN 1776 §103§112 Non-Final OA — Pending Feb 04, 2022
17621987 LIQUID PHASE SEPARATION OF 2G SUGARS BY ADSORPTION ON A FAU ZEOLITE HAVING A SI/AL ATOMIC RATIO GREATER THAN 1.5 LEE, HOI YAN NMN 1693 §103DP Final Rejection 13d Pending Dec 22, 2021
17295198 METHOD FOR THE PRODUCTION OF ENZYMES BY A STRAIN BELONGING TO A FILAMENTOUS FUNGUS STEADMAN, DAVID J 1656 §103§112Other Final Rejection 16d Pending May 19, 2021
14239690 PROCESS FOR PRODUCING CELLULASES USING A FILAMENTOUS FUNGUS SUITABLE FOR A FERMENTER, HAVING A LOW VOLUMETRIC OXYGEN TRANSFER COEFFICIENT KLA MOSS, NATALIE M 1653 §112Other Non-Final OA 28d Pending May 28, 2014

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Frequently Asked Questions

How many pending USPTO office actions does IFP Energies nouvelles have?

IFP Energies nouvelles has 27 pending office actions as of October 2026, spread across 15 art units and 22 examiners.

Which USPTO examiner handles the most IFP Energies nouvelles applications?

Renee E Robinson has the most, with 3 of IFP Energies nouvelles's pending office actions.

What technology area are IFP Energies nouvelles's patent applications in?

Mostly Chemistry & Materials (USPTO Tech Center 1700), based on where its pending office actions are examined.

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