Prosecution Insights
Last updated: October 04, 2026

Osler Diagnostics Limited

Technology areas: Biotechnology & Pharmaceuticals • Chemistry & Materials • Medical Devices & Mechanical Engineering

8 pending office actions • 4 art units • 7 examiners • 0 of 8 (0%) have an AI response strategy ready • 1 patents granted in the last 365 days

Analysis

Osler Diagnostics Limited is currently managing 9 pending office actions within the Biotechnology & Pharmaceuticals technology area. These actions are spread across 8 distinct examiners and 5 distinct art units, indicating a diverse prosecution landscape. This variety suggests that the company's diagnostic technologies span several different technical classifications within the broader biotechnology field for its current pending applications.

KASS, BENJAMIN JOSEPH is the busiest examiner for the portfolio, with 2 pending office actions currently under review. Since there are 8 distinct examiners in total, the pending actions are distributed such that most are handled by different individuals. This decentralization means that the company must adapt to many different examination styles and preferences across its pending applications. No single examiner's approach will define the outcome for the entire portfolio.

The involvement of 5 distinct art units further highlights the technical breadth of the portfolio. While KASS, BENJAMIN JOSEPH handles 2 pending office actions, the rest of the workload is distributed, requiring practitioners to coordinate across multiple administrative groups. Success in this environment depends on maintaining a cohesive strategy while addressing the specific requirements of 8 different examiners. The company must manage these 9 pending office actions with a focus on the individual nuances of each art unit.

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

Portfolio Summary

8
Total Pending OAs
6
Non-Final OAs
2
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.

1
Overdue
0
Due this week
0
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.

7
Hard (88%)
1
Medium (12%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other1 (12%)
§103 only1 (12%)
Multi-statute (no §101)6 (75%)

Industry Mix

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

3
Life Sciences
38% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
1
Mechanical / Eng
12% of docket
4
Business / Other
50% 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.

80 h
Manual time on pending OAs
16 h
Time saved (low, 20%)
28 h
Time saved (mid, 35%)
0.7 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
KASS, BENJAMIN JOSEPH 2 32.6% +58.9%
BERA, HENA RAKESHKUMAR 1 — —
SIMMONS, VALERIE MICHELLE 1 28.9% +46.7%
BORTOLI, JONATHAN 1 76.3% +41.2%
KREMER, MATTHEW 1 43.6% +52.2%
QIAN, SHIZHI 1 61.8% +47.9%
OGUNTADE, ELIZABETH BISOLA 1 0.0% +0.0%

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
17413368 MULTIPLEXED ASSAY OGUNTADE, ELIZABETH BISOLA 10d overdue
18682753 DIAGNOSTIC ASSAY REAGENTS COMPRISING BLOCK CO-POLYMERS BERA, HENA RAKESHKUMAR —
18293283 EXTRACTION OF LIQUID FROM PIERCEABLE LIQUID STORAGE CONTAINER KASS, BENJAMIN JOSEPH —
18293300 LIQUID HANDLING DEVICE FOR ALLOWING THE PRESENCE OR ABSENCE OF A VOLUME OF LIQUID TO BE DETERMINED SIMMONS, VALERIE MICHELLE —
18293265 EXTRACTION OF LIQUID FROM PIERCEABLE LIQUID STORAGE CONTAINER BORTOLI, JONATHAN —
17915996 LIQUID HANDLING DEVICE KASS, BENJAMIN JOSEPH —
17915999 CAPILLARY BLOOD SAMPLING KREMER, MATTHEW —

Interview Candidates (6)

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 6 ordered by deadline are shown.

App #TitleExaminerDue in
18293283 EXTRACTION OF LIQUID FROM PIERCEABLE LIQUID STORAGE CONTAINER KASS, BENJAMIN JOSEPH —
18293300 LIQUID HANDLING DEVICE FOR ALLOWING THE PRESENCE OR ABSENCE OF A VOLUME OF LIQUID TO BE DETERMINED SIMMONS, VALERIE MICHELLE —
18293265 EXTRACTION OF LIQUID FROM PIERCEABLE LIQUID STORAGE CONTAINER BORTOLI, JONATHAN —
17915996 LIQUID HANDLING DEVICE KASS, BENJAMIN JOSEPH —
17915999 CAPILLARY BLOOD SAMPLING KREMER, MATTHEW —
17779672 DEVICE FOR DETECTING PRESENCE OR ABSENCE OF A CHEMICAL OR BIOLOGICAL TARGET WITHIN A SAMPLE COMPRISING AN ELECTRODE FUNCTIONALISED WITH AN ANTIBODY AND CORRESPONDING DETECTION METHOD QIAN, SHIZHI —

Top Art Units

Art UnitApps
1798 1
3791 1
1700 1
1677 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18682753 DIAGNOSTIC ASSAY REAGENTS COMPRISING BLOCK CO-POLYMERS BERA, HENA RAKESHKUMAR — §102§103§112 Non-Final OA — Pending Feb 09, 2024
18293283 EXTRACTION OF LIQUID FROM PIERCEABLE LIQUID STORAGE CONTAINER KASS, BENJAMIN JOSEPH — §102§103 Non-Final OA — Pending Jan 29, 2024
18293300 LIQUID HANDLING DEVICE FOR ALLOWING THE PRESENCE OR ABSENCE OF A VOLUME OF LIQUID TO BE DETERMINED SIMMONS, VALERIE MICHELLE — §102§103§112 Non-Final OA — Pending Jan 29, 2024
18293265 EXTRACTION OF LIQUID FROM PIERCEABLE LIQUID STORAGE CONTAINER BORTOLI, JONATHAN — §102§103§112 Non-Final OA — Pending Jan 29, 2024
17915996 LIQUID HANDLING DEVICE KASS, BENJAMIN JOSEPH 1798 §101§103§112 Non-Final OA — Pending Sep 29, 2022
17915999 CAPILLARY BLOOD SAMPLING KREMER, MATTHEW 3791 §102§103§112Other Non-Final OA — Pending Sep 29, 2022
17779672 DEVICE FOR DETECTING PRESENCE OR ABSENCE OF A CHEMICAL OR BIOLOGICAL TARGET WITHIN A SAMPLE COMPRISING AN ELECTRODE FUNCTIONALISED WITH AN ANTIBODY AND CORRESPONDING DETECTION METHOD QIAN, SHIZHI 1700 §103 Final Rejection — Pending May 25, 2022
17413368 MULTIPLEXED ASSAY OGUNTADE, ELIZABETH BISOLA 1677 §103§112 Final Rejection 10d overdue Pending Jun 11, 2021

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