Prosecution Insights
Last updated: October 27, 2026

National Research Council of Canada

Technology areas: Biotechnology & Pharmaceuticals • Chemistry & Materials

26 pending office actions • 24 art units • 25 examiners • 0 of 26 (0%) have an AI response strategy ready • 35 patents granted in the last 365 days

Analysis

National Research Council of Canada has 26 pending office actions in Chemistry & Materials. The matters span 25 distinct examiners and 24 distinct art units, indicating an exceptionally distributed prosecution structure with little overlap in assignments.

JOHNSTON, BRIEANN R is the busiest examiner, with 2 pending matters. The limited concentration at the leading examiner means portfolio management will depend primarily on coordination across many separate examination relationships and art-unit contexts.

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

Portfolio Summary

26
Total Pending OAs
18
Non-Final OAs
7
Final Rejections
1
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 11 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

7
Overdue
0
Due this week
3
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. 11 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (7)Due ≤ 30 days (3)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.

13
Hard (50%)
9
Medium (35%)
4
Easy (15%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only8 (31%)
§112 only4 (15%)
Double-patenting + other1 (4%)
Multi-statute (no §101)13 (50%)

Industry Mix

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

21
Life Sciences
81% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
4
Semiconductors
15% of docket
1
Mechanical / Eng
4% 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.

260 h
Manual time on pending OAs
52 h
Time saved (low, 20%)
91 h
Time saved (mid, 35%)
2.3 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
JOHNSTON, BRIEANN R 2 49.6% +32.6%
KIM, YUNJU 1 55.2% +35.4%
WORSHAM, JESSICA N 1 56.6% +56.4%
NGUYEN, LAUREN 1 54.8% +34.3%
WASHINGTON, BRITNEY NICOLE 1 84.0% +13.2%
WHITEMAN, BRIAN A 1 68.4% +16.8%
MCDOWELL, BRIAN E 1 74.0% +31.0%
SAAD, ERIN BARRY 1 72.4% +11.4%
DUNN, LINDSAY MICHELLE 1 80.0% +0.0%
NATH, SUMAN KUMAR 1 82.8% +22.3%

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
18554263 DPEP-1 BINDING AGENTS AND METHODS OF USE DUNN, LINDSAY MICHELLE —

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
17617129 Centrifugal Microfluidic Chip, Kit and System for On-Chip Gas Supply KASS, BENJAMIN JOSEPH 128d overdue
18102936 PHOTORESIN FORMULATIONS AND USE THEREOF FOR VOLUMETRIC ADDITIVE MANUFACTURING MCCLENDON, SANZA L 44d overdue
17994671 MULTI-INPUT, MULTI-OUTPUT MANIFOLD FOR THERMOCONTROLLED SURFACES NGUYEN, THUKHANH T 28d overdue
18023356 ULTRASONIC STRUCTURAL HEALTH MONITORING DEVICE, SYSTEM AND METHOD MACCHIAROLO, PETER J 15d overdue
18479206 SYSTEM AND METHOD FOR DETECTING SUBSTRATE CHANGE USING SOUND NATH, SUMAN KUMAR 20d
19103954 METHOD AND SYSTEM FOR HIGH RESOLUTION 3D PRINTING USING AXIAL SCANNING KIM, YUNJU —
18721305 Dynamic Micro-Optic Security Devices, Their Production and Use NGUYEN, LAUREN —
18701079 RAISED FLUIDIC CHANNELS AND METHODS OF MANUFACTURE WASHINGTON, BRITNEY NICOLE —

Interview Candidates (10)

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
18052123 PIEZOELECTRIC COMPOSITES HAVING IMMISCIBLE POLYMER MATERIALS AND USE THEREOF IN ADDITIVE MANUFACTURING JOHNSTON, BRIEANN R 4d overdue
18479206 SYSTEM AND METHOD FOR DETECTING SUBSTRATE CHANGE USING SOUND NATH, SUMAN KUMAR 20d
18384406 JOINING OF HIGH WEAR RESISTANT AND BASE MATERIALS SAAD, ERIN BARRY 28d
17995557 PIEZOELECTRIC COMPOSITES COMPRISING COVALENTLY BONDED PIEZOELECTRIC PARTICLES AND USE THEREOF IN ADDITIVE MANUFACTURING JOHNSTON, BRIEANN R 35d
19103954 METHOD AND SYSTEM FOR HIGH RESOLUTION 3D PRINTING USING AXIAL SCANNING KIM, YUNJU —
18849372 Lipid Based Nanoparticles for Targeted Gene Delivery to the Brain WORSHAM, JESSICA N —
18721305 Dynamic Micro-Optic Security Devices, Their Production and Use NGUYEN, LAUREN —
18701079 RAISED FLUIDIC CHANNELS AND METHODS OF MANUFACTURE WASHINGTON, BRITNEY NICOLE —

Top Art Units

Art UnitApps
2855 2
1766 2
1742 1
1615 1
2871 1
1797 1
1636 1
1624 1
1735 1
1644 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19103954 METHOD AND SYSTEM FOR HIGH RESOLUTION 3D PRINTING USING AXIAL SCANNING KIM, YUNJU 1742 §103§112 Non-Final OA — Pending Feb 14, 2025
18849372 Lipid Based Nanoparticles for Targeted Gene Delivery to the Brain WORSHAM, JESSICA N 1615 §103 Non-Final OA — Pending Sep 20, 2024
18721305 Dynamic Micro-Optic Security Devices, Their Production and Use NGUYEN, LAUREN 2871 §102§103 Non-Final OA — Pending Jun 18, 2024
18701079 RAISED FLUIDIC CHANNELS AND METHODS OF MANUFACTURE WASHINGTON, BRITNEY NICOLE 1797 §102§103 Non-Final OA — Pending Apr 12, 2024
18691190 EXPRESSION SYSTEM FOR CONSTITUTIVE OR CUMATE-INDUCIBLE EXPRESSION IN CHO CELLS WHITEMAN, BRIAN A 1636 §102§103§112 Non-Final OA — Pending Mar 12, 2024
18579671 TWO DIMENSIONAL BENZO[4,5]IMIDAZO[2,1-A]ISOINDOLEINCORPORATED NON-FULLERENE ELECTRON ACCEPTORS FOR ORGANIC PHOTOVOLTAIC DEVICES MCDOWELL, BRIAN E 1624 §112 Non-Final OA — Pending Jan 16, 2024
18384406 JOINING OF HIGH WEAR RESISTANT AND BASE MATERIALS SAAD, ERIN BARRY 1735 §103 Final Rejection 28d Pending Oct 27, 2023
18554263 DPEP-1 BINDING AGENTS AND METHODS OF USE DUNN, LINDSAY MICHELLE 1644 §112 Non-Final OA — Pending Oct 06, 2023
18479206 SYSTEM AND METHOD FOR DETECTING SUBSTRATE CHANGE USING SOUND NATH, SUMAN KUMAR 2855 §102§103 Non-Final OA 20d Pending Oct 02, 2023
18462752 OFF-CHIP PRESSURE-CONTROLLED CENTRIFUGAL MICROFLUIDIC FRACTIONATION XU, XIAOYUN 1758 §103 Non-Final OA — Pending Sep 07, 2023
18457588 TGF-B-RECEPTOR ECTODOMAIN FUSION MOLECULES AND USES THEREOF CANELLA, KAREN A 1643 §103DP Non-Final OA — Pending Aug 29, 2023
18262392 SINGLE DOMAIN ANTIBODIES TARGETING CA-IX AS WELL AS COMPOSITIONS COMPRISING SAME ABBAS, SYED JARAR 1674 §102§112 Non-Final OA — Pending Jul 21, 2023
18259088 Tightly-Regulated Inducible Expression System for Production of Biologics Using Stable Cell Lines WEHBE, ANNE MARIE SABRINA 1634 §103§112 Non-Final OA — Pending Jun 23, 2023
18012132 A METHOD FOR FABRICATING CONDUCTIVE YARNS AND FABRICS AT ROOM TEMPERATURE MATZEK, MATTHEW D 1786 §103§112 Non-Final OA — Pending Jun 23, 2023
18043196 MESA AVALANCHE PHOTODIODE WITH SIDEWALL PASSIVATION BAUMAN, SCOTT E 2815 §103 Non-Final OA 38d overdue Pending Feb 27, 2023
18023356 ULTRASONIC STRUCTURAL HEALTH MONITORING DEVICE, SYSTEM AND METHOD MACCHIAROLO, PETER J 2855 §102§103 Final Rejection 15d overdue Pending Feb 25, 2023
18102936 PHOTORESIN FORMULATIONS AND USE THEREOF FOR VOLUMETRIC ADDITIVE MANUFACTURING MCCLENDON, SANZA L 1765 §102§112 Non-Final OA 44d overdue Pending Jan 30, 2023
17994671 MULTI-INPUT, MULTI-OUTPUT MANIFOLD FOR THERMOCONTROLLED SURFACES NGUYEN, THUKHANH T 1743 §102§103 Non-Final OA 28d overdue Pending Nov 28, 2022
18052123 PIEZOELECTRIC COMPOSITES HAVING IMMISCIBLE POLYMER MATERIALS AND USE THEREOF IN ADDITIVE MANUFACTURING JOHNSTON, BRIEANN R 1766 §103Other Final Rejection 4d overdue Pending Nov 02, 2022
17995557 PIEZOELECTRIC COMPOSITES COMPRISING COVALENTLY BONDED PIEZOELECTRIC PARTICLES AND USE THEREOF IN ADDITIVE MANUFACTURING JOHNSTON, BRIEANN R 1766 §103Other Final Rejection 35d Pending Oct 05, 2022
17909423 LIVE SALMONELLA TYPHI VECTORS ENGINEERED TO EXPRESS PROTEIN ANTIGENS AND METHODS OF USE THEREOF DEVI, SARVAMANGALA 1645 §112 Final Rejection 18d overdue Pending Sep 05, 2022
17652936 BIODEGRADABLE ELECTROCHEMICAL DEVICE AND METHODS THEREOF FEHR, JULIA MARIE 1725 §103§112 Non-Final OA — Pending Mar 01, 2022
17753104 BIODEGRADABLE ELECTROCHEMICAL DEVICE MARTIN, MATTHEW T 1728 §103 Final Rejection — Pending Feb 18, 2022
17753069 ROTOR FOR SYNCHRONOUS RELUCTANCE MOTOR (SynRM) LEGASPI, EUGENE REY DEVERA 3729 §103 Final Rejection — Pending Feb 17, 2022
17617129 Centrifugal Microfluidic Chip, Kit and System for On-Chip Gas Supply KASS, BENJAMIN JOSEPH 1798 §103§112 Non-Final OA 128d overdue Pending Dec 07, 2021
16994144 A Microfluidic Device for Culturing Cells Comprising A Biowall, A Bead Bed and A Biointerface and Methods of Modelling Said Biointerface Thereof HASSAN, LIBAN M 1799 §112 Non-Final OA 26d Pending Aug 14, 2020

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Frequently Asked Questions

How many pending USPTO office actions does National Research Council of Canada have?

National Research Council of Canada has 26 pending office actions as of October 2026, spread across 24 art units and 25 examiners.

Which USPTO examiner handles the most National Research Council of Canada applications?

Brieann R Johnston has the most, with 2 of National Research Council of Canada's pending office actions.

What technology area are National Research Council of Canada's patent applications in?

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

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