Prosecution Insights
Last updated: April 19, 2026

Norton Rose Fulbright Canada LLP (Pwc)

18 pending office actions • 2 clients

Portfolio Summary

18
Total Pending OAs
5
Final Rejections
13
Non-Final OAs

Client Portfolio (2 clients)

Client (Assignee)Pending OAs
Pratt & Whitney Canada Corp. 17
Pratt & Whitney Canada Corp. 1

Pending Office Actions

App #TitleClientExaminerArt UnitStatusFiled
18904382 Untitled Pratt & Whitney Canada Corp. KOCH, GEORGE R 1745 Non-Final OA
18917571 Untitled Pratt & Whitney Canada Corp. MORTELL, JOHN F 2689 Non-Final OA
18810965 Untitled Pratt & Whitney Canada Corp. PHAN, AN BACH 3763 Non-Final OA
19291759 HYBRID GAS TURBINE ENGINE Pratt & Whitney Canada Corp. NG, HENRY 3741 Non-Final OA Aug 06, 2025
19189991 BYPASS VALVE Pratt & Whitney Canada Corp. RIEGELMAN, MICHAEL A 3654 Non-Final OA Apr 25, 2025
19077615 OIL TANK FOR AIRCRAFT ENGINE Pratt & Whitney Canada Corp. TRUONG, MINH D 3654 Non-Final OA Mar 12, 2025
19055858 SEAL ASSEMBLY AND METHOD OF MANUFACTURING Pratt & Whitney Canada Corp. TRAVERS, MATTHEW P 3726 Non-Final OA Feb 18, 2025
18795587 SPOOL VALVE FOR AIRCRAFT ENGINE Pratt & Whitney Canada Corp. CARY, KELSEY E 3753 Non-Final OA Aug 06, 2024
18676667 AIRCRAFT COMPONENT IDENTIFICATION SYSTEM Pratt & Whitney Canada Corp. HARTMANN, ERIN MARIE 3664 Final Rejection May 29, 2024
18649208 HEAT EXCHANGER HAVING A MIXING CHAMBER WITH LOUVERS Pratt & Whitney Canada Corp. RUPPERT, ERIC S 3763 Final Rejection Apr 29, 2024
18606474 HEAT EXCHANGE SYSTEM FOR AIRCRAFT ENGINE Pratt & Whitney Canada Corp. RUPPERT, ERIC S 3763 Non-Final OA Mar 15, 2024
18423848 HYBRID AIRCRAFT POWER PLANT AND GEARBOX THEREFOR Pratt & Whitney Canada Corp. DANG, TINH 3655 Final Rejection Jan 26, 2024
18410896 METHOD AND SYSTEM FOR CONTROLLING A VARIABLE-PITCH PROPELLER WITH OIL LEAKAGE COMPENSATION Pratt & Whitney Canada Corp. ZAMORA ALVAREZ, ERIC J 3745 Non-Final OA Jan 11, 2024
18527963 GAS TURBINE ENGINE AND METHOD OF OPERATION Pratt & Whitney Canada Corp. MCCAFFREY, KAYLA M 3745 Non-Final OA Dec 04, 2023
18367078 METHOD OF MANUFACTURING A METAL INJECTION MOLDED PART Pratt & Whitney Canada Corp. SMITH, CATHERINE P 1735 Non-Final OA Sep 12, 2023
18334507 AIRCRAFT AND ASSOCIATED METHOD OF CONDITIONING CABIN AIR Pratt & Whitney Canada Corp. IGUE, ROBERTO TOSHIHARU 3741 Final Rejection Jun 14, 2023
18334494 AIRCRAFT AND ASSOCIATED METHOD OF CONDITIONING CABIN AIR Pratt & Whitney Canada Corp. JONES, GORDON A 3763 Non-Final OA Jun 14, 2023
17386399 CONTROLLING GASEOUS FUEL FLOW Pratt & Whitney Canada Corp. LIU, JINGCHEN 3741 Final Rejection Jul 27, 2021

Managing Norton Rose Fulbright Canada LLP (Pwc)'s Patent Prosecution?

IP Author helps law firms 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