Prosecution Insights
Last updated: October 25, 2026

Cantor Colburn LLP - Otis Elevator

Technology areas: Semiconductors, Circuits & Optics • Transportation, E-Commerce & Mechanical Systems

41 pending office actions • 2 clients • 21 examiners • 14 art units • 0 of 41 (0%) have an AI response strategy ready • 97 patents granted in the last 365 days

Analysis

This profile has 44 pending office actions in Transportation, E-Commerce & Mechanical Systems. The broader record covers 74576 career applications, with a resolved allowance rate of 88.02% and an average of 3.15 office actions per allowance.

The pending workload represents an active prosecution docket in a mechanical and transportation setting. The allowance rate and office-action average offer context for evaluating expected resolution and examination intensity.

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

Quality Metrics (n=74576 apps, methodology: how we score firms)

88.0%
Allowance Rate
n=74576
+0.54σ
Allowance Rate (norm)
n=74576
3.2
OAs to Allowance
n=52363
-0.22σ
OAs to Allow (norm)
n=52363
1018 days
Time to Allowance
n=52363
+3.9pp
Interview Lift
n=74576
25.8%
RCE Rate
n=74576
2.0%
Appeal Rate
n=74576

Rejection Performance (% of received rejections ultimately overcome)

74.3%
§101 Overcome
n=3246
80.2%
§102 Overcome
n=24100
80.5%
§103 Overcome
n=37518
81.8%
§112 Overcome
n=23788

Specialization & Scale

H10K, G02F, G06F
Top CPC Subclasses
10%
Top-3 CPC Share
n=74576
68
Practitioners
n=74576
1096.7
Apps / Practitioner
n=74576

Portfolio Summary

41
Total Pending OAs
21
Non-Final OAs
18
Final Rejections
2
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 8 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

2
Overdue
0
Due this week
5
Due this month
1
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. 8 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (2)Due ≤ 30 days (5)Due ≤ 60 days (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.

25
Hard (61%)
15
Medium (37%)
1
Easy (2%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 only1 (2%)
§101 + other1 (2%)
§103 only15 (37%)
§112 only1 (2%)
Multi-statute (no §101)23 (56%)

Industry Mix

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

1
Life Sciences
2% of docket
2
Information Tech
5% of docket
1
Communications
2% of docket
15
Semiconductors
37% of docket
22
Mechanical / Eng
54% 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.

410 h
Manual time on pending OAs
82 h
Time saved (low, 20%)
144 h
Time saved (mid, 35%)
3.6 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
UHLIR, CHRISTOPHER J 7 61.9% +10.0%
DHAKAL, BICKEY 4 84.2% +16.5%
TRAN, DIEM M 3 80.1% +13.5%
MUDWILDER, MICHELLE MARIE PETERS 3 70.3% +28.4%
RIEGELMAN, MICHAEL A 3 78.3% +14.7%
CARRASQUILLO, JORGE L 3 81.3% +15.8%
IACOLETTI, MICHELLE M 2 85.4% +8.6%
DONELS, JEFFREY 2 85.9% +11.1%
DUDA, RINA I 2 80.2% +10.2%
XU, AUSTIN ZIJIAN 1 — —

Quick Wins (6)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 6 ordered by deadline are shown.

App #TitleExaminerDue in
17990844 SYSTEMS AND METHOD FOR DETECTING A LOCATION OF A PERSON IN A HOISTWAY DONELS, JEFFREY 28d overdue
18463825 ASSISTED CONVEYANCE SYSTEM MAINTENANCE DHAKAL, BICKEY —
18364100 POWER CONTROL SYSTEM DUDA, RINA I —
18332982 LIGHT BASED ALIGNMENT FOR INSTALLATION OF PERSON DETECTION DEVICE DHAKAL, BICKEY —
17988470 ELEVATOR SAFETY SYSTEM DHAKAL, BICKEY —
17394581 SPATIAL LOCATION POSITIONING METHOD AND SYSTEM FOR ELEVATOR AND ELEVATOR DHAKAL, BICKEY —

Hard Cases (25)

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
18088148 SYSTEM AND METHOD FOR DETECTING AN ELEVATOR MECHANIC WORKING WITHIN AN ELEVATOR HOISTWAY UHLIR, CHRISTOPHER J 8d overdue
17513499 DYNAMIC STOPPER/S IN AN ELEVATOR CAR MUDWILDER, MICHELLE MARIE PETERS 12d
17400933 METHOD FOR TRIGGERING AUTOMATIC ELEVATOR CALLS UHLIR, CHRISTOPHER J 12d
18813948 CLEANING SYSTEM AND CLEANING METHOD FOR PASSENGER CONVEYOR SYSTEM BERGNER, ERIN FLANAGAN 22d
18928549 CONTROL METHOD FOR A CONVEYOR, CORRESPONDING CONTROL SYSTEM, CONTROL NODE, AND CONTROL END JORGENSEN, ABBY A 28d
19404701 MODULAR MACHINE WITH BRAKE COIL INTEGRATED IN MOTOR STAND TRAN, DIEM M —
19395256 ELEVATOR CAR ROOF PROTECTION DEVICE, ELEVATOR CAR AND ELEVATOR SYSTEM MUDWILDER, MICHELLE MARIE PETERS —
19280783 ELEVATOR CAR, ELEVATOR SYSTEM AND METHOD OF ACCESSING A SPACE IN A HOISTWAY OF AN ELEVATOR SYSTEM RIEGELMAN, MICHAEL A —

Interview Candidates (27)

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
17990844 SYSTEMS AND METHOD FOR DETECTING A LOCATION OF A PERSON IN A HOISTWAY DONELS, JEFFREY 28d overdue
18088148 SYSTEM AND METHOD FOR DETECTING AN ELEVATOR MECHANIC WORKING WITHIN AN ELEVATOR HOISTWAY UHLIR, CHRISTOPHER J 8d overdue
17513499 DYNAMIC STOPPER/S IN AN ELEVATOR CAR MUDWILDER, MICHELLE MARIE PETERS 12d
17400933 METHOD FOR TRIGGERING AUTOMATIC ELEVATOR CALLS UHLIR, CHRISTOPHER J 12d
19404701 MODULAR MACHINE WITH BRAKE COIL INTEGRATED IN MOTOR STAND TRAN, DIEM M —
19395256 ELEVATOR CAR ROOF PROTECTION DEVICE, ELEVATOR CAR AND ELEVATOR SYSTEM MUDWILDER, MICHELLE MARIE PETERS —
19280783 ELEVATOR CAR, ELEVATOR SYSTEM AND METHOD OF ACCESSING A SPACE IN A HOISTWAY OF AN ELEVATOR SYSTEM RIEGELMAN, MICHAEL A —
19265220 ELEVATOR BRAKE DISC ASSEMBLY TRAN, DIEM M —

Client Portfolio (2 clients)

Client (Assignee)Pending OAs
Otis Worldwide 40
Otls Elevator Company 1

Top Art Units

Art UnitApps
283711
365410
36197
36512
28772
26931
36531
24441
24791
17131

Pending Office Actions

App #TitleClientExaminerArt UnitStatutesStatusDue inAIFiled
19404701 MODULAR MACHINE WITH BRAKE COIL INTEGRATED IN MOTOR STAND Otis Elevator Company TRAN, DIEM M 3654 §102§103§112 Non-Final OA — Pending Dec 01, 2025
19395320 LOCK HOOK ASSEMBLY, DOOR HANGING PLATE ASSEMBLY, HALL DOOR LOCK DEVICE, AND ELEVATOR SYSTEM Otls Elevator Company XU, AUSTIN ZIJIAN 3654 §103 Non-Final OA — Pending Nov 20, 2025
19395256 ELEVATOR CAR ROOF PROTECTION DEVICE, ELEVATOR CAR AND ELEVATOR SYSTEM Otis Elevator Company MUDWILDER, MICHELLE MARIE PETERS 3654 §102§103 Non-Final OA — Pending Nov 20, 2025
19280783 ELEVATOR CAR, ELEVATOR SYSTEM AND METHOD OF ACCESSING A SPACE IN A HOISTWAY OF AN ELEVATOR SYSTEM Otis Elevator Company RIEGELMAN, MICHAEL A 3654 §102§103§112 Non-Final OA — Pending Jul 25, 2025
19265220 ELEVATOR BRAKE DISC ASSEMBLY Otis Elevator Company TRAN, DIEM M 3654 §102§112 Non-Final OA — Pending Jul 10, 2025
19258319 ELEVATOR SAFETY BRAKE ARRANGEMENT Otis Elevator Company RIEGELMAN, MICHAEL A 3654 §103 Non-Final OA — Pending Jul 02, 2025
19236175 ELEVATOR CAR AND ELEVATOR ASSEMBLY Otis Elevator Company RIEGELMAN, MICHAEL A 3654 §103 Final Rejection — Pending Jun 12, 2025
19206450 METHOD OF PROVIDING ACCESS TO AT LEAST ONE COMPONENT OF AN ELEVATOR SYSTEM AND ELEVATOR SYSTEM Otis Elevator Company TRAN, DIEM M 3654 §102§103 Final Rejection — Pending May 13, 2025
19202389 ELEVATOR CAR WITH RETRACTABLE APRON AND ELEVATOR SYSTEM COMPRISING SUCH AN ELEVATOR CAR Otis Elevator Company MUDWILDER, MICHELLE MARIE PETERS 3654 §103 Final Rejection — Pending May 08, 2025
19078486 DIRECTIONAL SPEAKER SYSTEM FOR A PASSENGER CONVEYANCE SYSTEM Otis Elevator Company NGUYEN, QUYNH H 2693 §102§103 Non-Final OA — Pending Mar 13, 2025
18985602 METHOD FOR CONTROLLING A CONVEYOR, CONTROLLING DEVICE, AND CONVEYOR Otis Elevator Company HARP, WILLIAM RAY 3653 §102§103§112 Non-Final OA — Pending Dec 18, 2024
18952249 AUTOMATIC STEP CLEANING DEVICE FOR PASSENGER CONVEYOR AND PASSENGER CONVEYOR Otis Elevator Company SINGH, KAVEL 3651 §102§103 Non-Final OA — Pending Nov 19, 2024
18928549 CONTROL METHOD FOR A CONVEYOR, CORRESPONDING CONTROL SYSTEM, CONTROL NODE, AND CONTROL END Otis Elevator Company JORGENSEN, ABBY A 3651 §102§112 Non-Final OA 28d Pending Oct 28, 2024
18903357 SYSTEM AND METHOD FOR TELEMETRY LOAD TESTING TO CONFIRM CAPABILITIES OF DISTRIBUTED SYSTEM Otis Elevator Company IBRAHIM, MOHAMED 2444 §103 Non-Final OA — Pending Oct 01, 2024
18817997 ELEVATOR DATA COMMUNICATION SYSTEM Otis Elevator Company LE, BRIAN T 2479 §103Other Final Rejection 55d Pending Aug 28, 2024
18813948 CLEANING SYSTEM AND CLEANING METHOD FOR PASSENGER CONVEYOR SYSTEM Otis Elevator Company BERGNER, ERIN FLANAGAN 1713 §103§112 Final Rejection 22d Pending Aug 23, 2024
18763411 SYSTEM AND METHOD FOR UPDATING CODE IN PASSENGER CONVEYANCE SYSTEMS Otis Elevator Company SHAHABI, ARI ARASTOO 3697 §101§102§103 Non-Final OA — Pending Jul 03, 2024
18680057 ELEVATOR SYSTEM WITH COMBINED LiDAR AND VISIBLE SENSOR GUIDE Otis Elevator Company CARRASQUILLO, JORGE L 2837 §102§103§112 Non-Final OA — Pending May 31, 2024
18639462 SYSTEM AND METHOD OF OPERATING AN ELEVATOR SYSTEM TO SELECT AN ELEVATOR CAR OF A BANK OF ELEVATOR CARS FROM AN ELEVATOR HEALTH AND USAGE STATE AND A TRAVEL TIME TO RESPOND TO A SERVICE REQUEST Otis Elevator Company IACOLETTI, MICHELLE M 2877 §102§103 Non-Final OA — Pending Apr 18, 2024
18635584 SAFE TORQUE OFF USING DIGITAL ISOLATOR Otis Elevator Company CARRASQUILLO, JORGE L 2837 §102§103 Non-Final OA — Pending Apr 15, 2024
18635577 HYBRID ELECTRICAL AND ELECTROMECHANICAL SAFE BRAKE CONTROL Otis Elevator Company AGARED, GABRIEL T 2837 §102§103 Non-Final OA — Pending Apr 15, 2024
18404240 ELEVATOR SYSTEM CONFIGURED TO PROVIDE CAR TONE BASED ON USER FEEDBACK Otis Elevator Company CARRASQUILLO, JORGE L 2837 §102§112 Non-Final OA — Pending Jan 04, 2024
18388429 APPARATUS AND METHOD FOR REALIZING ELEVATOR SAFETY FUNCTIONS Otis Elevator Company DONELS, JEFFREY 2837 §102§112 Non-Final OA — Pending Nov 09, 2023
18468383 SYSTEM AND METHOD OF PROVIDING PIT ACCESS PROTECTION Otis Elevator Company SCHREIBER, CHRISTINA MARIE 2837 §103§112 Final Rejection — Pending Sep 15, 2023
18463825 ASSISTED CONVEYANCE SYSTEM MAINTENANCE Otis Elevator Company DHAKAL, BICKEY 2837 §103 Final Rejection — Pending Sep 08, 2023
18449466 ELEVATOR OPERATING DEVICE Otis Elevator Company DUDA, RINA I 2846 §103§112 Non-Final OA — Pending Aug 14, 2023
18364100 POWER CONTROL SYSTEM Otis Elevator Company DUDA, RINA I 2837 §103 Non-Final OA — Pending Aug 02, 2023
18332982 LIGHT BASED ALIGNMENT FOR INSTALLATION OF PERSON DETECTION DEVICE Otis Elevator Company DHAKAL, BICKEY 2837 §103 Final Rejection — Pending Jun 12, 2023
18088148 SYSTEM AND METHOD FOR DETECTING AN ELEVATOR MECHANIC WORKING WITHIN AN ELEVATOR HOISTWAY Otis Elevator Company UHLIR, CHRISTOPHER J 3619 §103§112 Final Rejection 8d overdue Pending Dec 23, 2022
17990844 SYSTEMS AND METHOD FOR DETECTING A LOCATION OF A PERSON IN A HOISTWAY Otis Elevator Company DONELS, JEFFREY 2837 §103 Final Rejection 28d overdue Pending Nov 21, 2022
17988470 ELEVATOR SAFETY SYSTEM Otis Elevator Company DHAKAL, BICKEY 2837 §103 Final Rejection — Pending Nov 16, 2022
17977012 STIMULATION SYSTEM AND METHOD FOR MONITORING AN ELEVATOR SYSTEM Otis Elevator Company UHLIR, CHRISTOPHER J 3619 §102§103§112 Non-Final OA — Pending Oct 31, 2022
17513499 DYNAMIC STOPPER/S IN AN ELEVATOR CAR Otis Elevator Company MUDWILDER, MICHELLE MARIE PETERS 3654 §103§112 Final Rejection 12d Pending Oct 28, 2021
17407511 ELEVATOR MONITORING SYSTEM Otis Elevator Company IACOLETTI, MICHELLE M 2877 §101 Final Rejection — Pending Aug 20, 2021
17400933 METHOD FOR TRIGGERING AUTOMATIC ELEVATOR CALLS Otis Elevator Company UHLIR, CHRISTOPHER J 3619 §103§112 Final Rejection 12d Pending Aug 12, 2021
17398715 ELEVATOR POSITION REFERENCE SYSTEMS Otis Elevator Company UHLIR, CHRISTOPHER J 3619 §103 Final Rejection — Pending Aug 10, 2021
17394581 SPATIAL LOCATION POSITIONING METHOD AND SYSTEM FOR ELEVATOR AND ELEVATOR Otis Elevator Company DHAKAL, BICKEY 2896 §103 Final Rejection — Pending Aug 05, 2021
17373995 ELEVATOR SAFETY CIRCUIT Otis Elevator Company UHLIR, CHRISTOPHER J 3619 §103§112 Final Rejection — Pending Jul 13, 2021
16995047 ELEVATOR CAR MOVER PROVIDING INTELLIGENT CONTROL BASED ON BATTERY STATE OF CHARGE Otis Elevator Company UHLIR, CHRISTOPHER J 3619 §112 Non-Final OA — Pending Aug 17, 2020
16943007 MULTI-CAR ELEVATOR SYSTEM WITH AUTONOMOUS CAR MOVERS CONFIGURED FOR COLLISION AVOIDANCE Otis Elevator Company UHLIR, CHRISTOPHER J 3619 §103 Non-Final OA — Pending Jul 30, 2020
16819576 ELEVATOR INSPECTION SYSTEM WITH ROBOTIC PLATFORM CONFIGURED TO INSPECT OPERATIONAL AND ALIGNMENT CONDITIONS OF COMPONENTS IN A HOISTWAY Otis Elevator Company O'MALLEY, JOHN MARTIN 3658 §103 Final Rejection 9d Pending Mar 16, 2020

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Frequently Asked Questions

What is Cantor Colburn LLP - Otis Elevator's patent allowance rate?

88.0% of resolved applications prosecuted by Cantor Colburn LLP - Otis Elevator were allowed, across 74,576 applications in USPTO records.

How many office actions does Cantor Colburn LLP - Otis Elevator average before allowance?

3.15 office actions per allowed application on average.

How many pending office actions does Cantor Colburn LLP - Otis Elevator have?

41 pending office actions as of October 2026, for 2 clients, before 21 examiners in 14 art units.

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