Prosecution Insights
Last updated: April 19, 2026

Cantor Colburn LLP - Otis Elevator

46 pending office actions • 2 clients

Portfolio Summary

46
Total Pending OAs
12
Final Rejections
34
Non-Final OAs

Client Portfolio (2 clients)

Client (Assignee)Pending OAs
Otis Elevator Company 40
Otis Elevator Company 6

Pending Office Actions

App #TitleClientExaminerArt UnitStatusFiled
19202389 ELEVATOR CAR WITH RETRACTABLE APRON AND ELEVATOR SYSTEM COMPRISING SUCH AN ELEVATOR CAR Otis Elevator Company MUDWILDER, MICHELLE MARIE PETERS 3654 Non-Final OA May 08, 2025
19196165 ELEVATOR SYSTEM AND COUNTERWEIGHT THEREFOR Otis Elevator Company TRAN, DIEM M 3654 Non-Final OA May 01, 2025
18975345 STEP OF PASSENGER CONVEYOR AND PASSENGER CONVEYOR Otis Elevator Company HESS, DOUGLAS A 3651 Non-Final OA Dec 10, 2024
18928549 CONTROL METHOD FOR A CONVEYOR, CORRESPONDING CONTROL SYSTEM, CONTROL NODE, AND CONTROL END Otis Elevator Company JORGENSEN, ABBY A 3651 Non-Final OA Oct 28, 2024
18813948 CLEANING SYSTEM AND CLEANING METHOD FOR PASSENGER CONVEYOR SYSTEM Otis Elevator Company BERGNER, ERIN FLANAGAN 1713 Non-Final OA Aug 23, 2024
18779753 COMB PLATE FOR CONVEYOR DEVICE, AND CONVEYOR DEVICE Otis Elevator Company SINGH, KAVEL 3651 Non-Final OA Jul 22, 2024
18761908 METHOD FOR ONLINE REPLACEMENT AND METHOD FOR INSTALLATION OF ELEVATOR SHEAVE LINER, AND ELEVATOR SHEAVE LINER Otis Elevator Company RIEGELMAN, MICHAEL A 3654 Non-Final OA Jul 02, 2024
18448243 FRICTIONLESS SAFETY BRAKE ACTUATOR Otis Elevator Company TRUONG, MINH D 3654 Non-Final OA Aug 11, 2023
18447494 SYSTEM FOR DETECTING BROKEN COMBPLATE TEETH OF AN ESCALATOR Otis Elevator Company JORGENSEN, ABBY A 3651 Final Rejection Aug 10, 2023
18447488 ESCALATOR ENTRAPMENT DETECTION SYSTEM Otis Elevator Company AWAIS, MUHAMMAD SUMRAIZ 3651 Final Rejection Aug 10, 2023
18333229 ELEVATOR SYSTEM INCLUDING SENSOR ASSEMBLY FOR DETECTING OBJECT LOADING AND UNLOADING Otis Elevator Company CARRASQUILLO, JORGE L 2846 Non-Final OA Jun 12, 2023
18318664 ELEVATOR SYSTEM WITH BRAKE FAILURE RESPONSES Otis Elevator Company CARRASQUILLO, JORGE L 2846 Non-Final OA May 16, 2023
18311866 DUAL MACHINE ARRANGEMENT Otis Elevator Company DHAKAL, BICKEY 2896 Non-Final OA May 03, 2023
18088148 SYSTEM AND METHOD FOR DETECTING AN ELEVATOR MECHANIC WORKING WITHIN AN ELEVATOR HOISTWAY Otis Elevator Company UHLIR, CHRISTOPHER J 3619 Non-Final OA Dec 23, 2022
18070848 ELEVATOR CONTROL SYSTEM, ELEVATOR SYSTEM AND METHOD FOR CONTROLLING ELEVATOR Otis Elevator Company DHAKAL, BICKEY 2896 Non-Final OA Nov 29, 2022
18070089 METHOD AND APPARATUS FOR MONITORING OPERATIONAL STATE OF ELEVATOR SYSTEM Otis Elevator Company CHAN, KAWING 2846 Non-Final OA Nov 28, 2022
17990844 SYSTEMS AND METHOD FOR DETECTING A LOCATION OF A PERSON IN A HOISTWAY Otis Elevator Company DONELS, JEFFREY 2837 Non-Final OA Nov 21, 2022
17987522 SAFETY SYSTEM FOR AN ELEVATOR Otis Elevator Company GLASS, ERICK DAVID 2846 Non-Final OA Nov 15, 2022
17985640 GUARDRAIL SYSTEM Otis Elevator Company GLASS, ERICK DAVID 2846 Non-Final OA Nov 11, 2022
17984787 ELEVATOR SAFETY DEVICES Otis Elevator Company GLASS, ERICK DAVID 2846 Non-Final OA Nov 10, 2022
17984811 CONVEYANCE SYSTEM WITH REGENERATIVE DRIVE Otis Elevator Company GLASS, ERICK DAVID 2846 Non-Final OA Nov 10, 2022
17980896 ELEVATOR BRAKING DEVICE AND ELEVATOR SYSTEM Otis Elevator Company GLASS, ERICK DAVID 2846 Non-Final OA Nov 04, 2022
17977012 STIMULATION SYSTEM AND METHOD FOR MONITORING AN ELEVATOR SYSTEM Otis Elevator Company UHLIR, CHRISTOPHER J 3619 Non-Final OA Oct 31, 2022
17973671 ELEVATOR SYSTEMS WITH IMPROVED MONITORING Otis Elevator Company ELARABI, TAREK A 3661 Final Rejection Oct 26, 2022
17971723 DISTRIBUTED PROCESSING SYSTEM AND METHOD FOR PROCESSING ELEVATOR CALL REQUEST Otis Elevator Company RIEGELMAN, MICHAEL A 3654 Non-Final OA Oct 24, 2022
17842002 ELEVATOR SYSTEM IMPLEMENTING A MULTI-LINEAR MULTI-PHASE INDUCTION MACHINE INCLUDING A PLURALITY OF STATORS CONTROLLED IN PARALLEL Otis Elevator Company GLASS, ERICK DAVID 2846 Non-Final OA Jun 16, 2022
17838878 COMPONENT MISALIGNMENT SENSING Otis Elevator Company QIN, JIANCHUN 2837 Final Rejection Jun 13, 2022
17825753 ELECTROMAGNETIC DEVICE FOR ELEVATOR BRAKE, ELEVATOR BRAKE AND ELEVATOR SYSTEM Otis Elevator Company DHAKAL, BICKEY 2896 Non-Final OA May 26, 2022
17529563 ELEVATOR SYSTEM AND METHOD FOR RESTORING OPERATION OF AN ELEVATOR CAR Otis Elevator Company DONELS, JEFFREY 2837 Final Rejection Nov 18, 2021
17525124 SMOOTH BRAKING CONTROL METHOD AND DEVICE FOR ELEVATOR AND ELEVATOR BRAKE Otis Elevator Company CARRASQUILLO, JORGE L 2846 Final Rejection Nov 12, 2021
17513499 DYNAMIC STOPPER/S IN AN ELEVATOR CAR Otis Elevator Company MUDWILDER, MICHELLE MARIE PETERS 3654 Non-Final OA Oct 28, 2021
17400933 METHOD FOR TRIGGERING AUTOMATIC ELEVATOR CALLS Otis Elevator Company UHLIR, CHRISTOPHER J 3619 Non-Final OA Aug 12, 2021
17399762 ELEVATOR POSITION REFERENCE SYSTEMS AND MONITORING BUILDING SETTLEMENT USING AN ELEVATOR POSITION REFERENCE SYSTEM Otis Elevator Company QIN, JIANCHUN 2837 Final Rejection Aug 11, 2021
17398715 ELEVATOR POSITION REFERENCE SYSTEMS Otis Elevator Company UHLIR, CHRISTOPHER J 3619 Non-Final OA Aug 10, 2021
17396096 METHOD OF PREVENTING GRAVITY JUMP AT EMERGENCY STOP IN ELEVATOR SYSTEMS Otis Elevator Company UHLIR, CHRISTOPHER J 3619 Non-Final OA Aug 06, 2021
17390309 CONTROL DEVICE, METHOD OF DETERMINING TRIGGERING OF THE CONTROL DEVICE AND ELEVATOR SYSTEM Otis Elevator Company UHLIR, CHRISTOPHER J 3619 Final Rejection Jul 30, 2021
17373995 ELEVATOR SAFETY CIRCUIT Otis Elevator Company UHLIR, CHRISTOPHER J 3619 Non-Final OA Jul 13, 2021
17370185 INTERCAR COORDINATION IN MULTICAR HOISTWAYS Otis Elevator Company CHAN, KAWING 2846 Non-Final OA Jul 08, 2021
17368141 ELEVATOR BRAKE ASSEMBLY Otis Elevator Company UHLIR, CHRISTOPHER J 3619 Non-Final OA Jul 06, 2021
17095425 CONTROL SYSTEM AND METHOD FOR LOCATION OF A ROBOT PASSENGER WHEN WAITING FOR AN ELEVATOR Otis Elevator Company UHLIR, CHRISTOPHER J 3619 Final Rejection Nov 11, 2020
16995047 ELEVATOR CAR MOVER PROVIDING INTELLIGENT CONTROL BASED ON BATTERY STATE OF CHARGE Otis Elevator Company UHLIR, CHRISTOPHER J 3619 Final Rejection Aug 17, 2020
16943007 MULTI-CAR ELEVATOR SYSTEM WITH AUTONOMOUS CAR MOVERS CONFIGURED FOR COLLISION AVOIDANCE Otis Elevator Company UHLIR, CHRISTOPHER J 3619 Non-Final OA Jul 30, 2020
16835649 CONTROLLING MOVEMENT OF AN ELEVATOR CAR OF AN ELEVATOR SYSTEM Otis Elevator Company UHLIR, CHRISTOPHER J 3619 Final Rejection Mar 31, 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 Non-Final OA Mar 16, 2020
16164146 RESISTANCE-BASED INSPECTION OF ELEVATOR SYSTEM SUPPORT MEMBERS Otis Elevator Company UHLIR, CHRISTOPHER J 3619 Final Rejection Oct 18, 2018
15940014 SUPER GROUP DISPATCHING Otis Elevator Company UHLIR, CHRISTOPHER J 3619 Non-Final OA Mar 29, 2018

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