Prosecution Insights
Last updated: August 18, 2026

DOOSAN ENERBILITY CO., LTD.

9 pending office actions • 4 art units • 8 examiners • 0 of 9 (0%) have an AI response strategy ready • 32 patents granted in the last 365 days

Portfolio Summary

9
Total Pending OAs
8
Non-Final OAs
1
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 1 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

0
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.

6
Hard (67%)
2
Medium (22%)
1
Easy (11%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only2 (22%)
§112 only1 (11%)
Multi-statute (no §101)6 (67%)

Industry Mix

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

2
Life Sciences
22% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
3
Mechanical / Eng
33% of docket
4
Business / Other
44% 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.

90 h
Manual time on pending OAs
18 h
Time saved (low, 20%)
31 h
Time saved (mid, 35%)
0.8 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
KUYKENDALL, ALYSSA LEE 2 14.3% +94.7%
SEHN, MICHAEL L 1 80.9% +12.9%
GARFT, CHRISTOPHER 1 59.1% +23.1%
PILCHER, JONATHAN L 1 64.0% +44.5%
BODNARK, MATTHEW JAMES 1 86.5% +20.0%
CHAU, ALAIN 1 80.4% +26.0%
SAVANI, AVINASH A 1 74.6% +20.8%
MALATEK, KATHERYN A 1 86.7% +42.9%

Quick Wins (2)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 2 ordered by deadline are shown.

App #TitleExaminerDue in
18964007 APPARATUS AND METHOD FOR MEASURING THICKNESS OF PIPE BASED ON IMAGE ANALYSIS BODNARK, MATTHEW JAMES
18406814 EXHAUST SYSTEM FOR A GAS TURBINE ENGINE, GAS TURBINE ENGINE HAVING THE SAME, AND METHODS OF MANUFACTURING, CONFIGURING, AND USING THE SAME MALATEK, KATHERYN A

Hard Cases (7)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 7 ordered by deadline are shown.

App #TitleExaminerDue in
17524760 Heat treating apparatus for recovering lithume carbonate and an apparatus for recovering lithume carbonate using the same KUYKENDALL, ALYSSA LEE 14d
19326537 SEALING ASSEMBLY AND GAS TURBINE SEHN, MICHAEL L
19048310 ENVIRONMENTAL FACILITY SUPPORTING STRUCTURE OF VERTICAL HEAT RECOVERY STEAM GENERATOR GARFT, CHRISTOPHER
18987203 PYROLYSIS REACTOR AND APPARATUS HAVING SAME FOR RECOVERING CARBON FIBER AND GLASS FIBER PILCHER, JONATHAN L
18916232 COMBUSTOR NOZZLE, AND COMBUSTOR AND GAS TURBINE INCLUDING SAME CHAU, ALAIN
18653630 COMBINED COMBUSTION BURNER AND COMBUSTION APPARATUS INCLUDING SAME SAVANI, AVINASH A
18351569 COMBINED REFORMER KUYKENDALL, ALYSSA LEE

Interview Candidates (9)

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
17524760 Heat treating apparatus for recovering lithume carbonate and an apparatus for recovering lithume carbonate using the same KUYKENDALL, ALYSSA LEE 14d
19326537 SEALING ASSEMBLY AND GAS TURBINE SEHN, MICHAEL L
19048310 ENVIRONMENTAL FACILITY SUPPORTING STRUCTURE OF VERTICAL HEAT RECOVERY STEAM GENERATOR GARFT, CHRISTOPHER
18987203 PYROLYSIS REACTOR AND APPARATUS HAVING SAME FOR RECOVERING CARBON FIBER AND GLASS FIBER PILCHER, JONATHAN L
18964007 APPARATUS AND METHOD FOR MEASURING THICKNESS OF PIPE BASED ON IMAGE ANALYSIS BODNARK, MATTHEW JAMES
18916232 COMBUSTOR NOZZLE, AND COMBUSTOR AND GAS TURBINE INCLUDING SAME CHAU, ALAIN
18653630 COMBINED COMBUSTION BURNER AND COMBUSTION APPARATUS INCLUDING SAME SAVANI, AVINASH A
18406814 EXHAUST SYSTEM FOR A GAS TURBINE ENGINE, GAS TURBINE ENGINE HAVING THE SAME, AND METHODS OF MANUFACTURING, CONFIGURING, AND USING THE SAME MALATEK, KATHERYN A

Top Art Units

Art UnitApps
3741 2
1774 2
3745 1
4100 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19326537 SEALING ASSEMBLY AND GAS TURBINE SEHN, MICHAEL L 3745 §102§103 Non-Final OA Pending Sep 11, 2025
19048310 ENVIRONMENTAL FACILITY SUPPORTING STRUCTURE OF VERTICAL HEAT RECOVERY STEAM GENERATOR GARFT, CHRISTOPHER 4100 §103§112 Non-Final OA Pending Feb 07, 2025
18987203 PYROLYSIS REACTOR AND APPARATUS HAVING SAME FOR RECOVERING CARBON FIBER AND GLASS FIBER PILCHER, JONATHAN L §102§103§112 Non-Final OA Pending Dec 19, 2024
18964007 APPARATUS AND METHOD FOR MEASURING THICKNESS OF PIPE BASED ON IMAGE ANALYSIS BODNARK, MATTHEW JAMES §103 Non-Final OA Pending Nov 29, 2024
18916232 COMBUSTOR NOZZLE, AND COMBUSTOR AND GAS TURBINE INCLUDING SAME CHAU, ALAIN 3741 §102§103§112 Non-Final OA Pending Oct 15, 2024
18653630 COMBINED COMBUSTION BURNER AND COMBUSTION APPARATUS INCLUDING SAME SAVANI, AVINASH A §102§103 Non-Final OA Pending May 02, 2024
18406814 EXHAUST SYSTEM FOR A GAS TURBINE ENGINE, GAS TURBINE ENGINE HAVING THE SAME, AND METHODS OF MANUFACTURING, CONFIGURING, AND USING THE SAME MALATEK, KATHERYN A 3741 §112 Final Rejection Pending Jan 08, 2024
18351569 COMBINED REFORMER KUYKENDALL, ALYSSA LEE 1774 §102§103§112 Non-Final OA Pending Jul 13, 2023
17524760 Heat treating apparatus for recovering lithume carbonate and an apparatus for recovering lithume carbonate using the same KUYKENDALL, ALYSSA LEE 1774 §103 Non-Final OA 14d Pending Nov 12, 2021

Managing DOOSAN ENERBILITY CO., LTD.'s Patent Portfolio?

IP Author helps IP teams respond to office actions faster with AI-generated responses, examiner analytics, and prosecution intelligence.

Start Free Trial

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month