Prosecution Insights
Last updated: October 25, 2026

Cahn & Samuels LLP

Technology areas: Chemistry & Materials • Transportation, E-Commerce & Mechanical Systems • Medical Devices & Mechanical Engineering

25 pending office actions • 16 clients • 24 examiners • 21 art units • 0 of 25 (0%) have an AI response strategy ready

Analysis

CAHN & SAMUELS LLP has 26 pending office actions in Chemistry & Materials across a career application record of 1647. The resolved allowance rate is 82.3%, and the average is 3.09 office actions per allowance.

The pending figure describes current workload, while the application total places the historical outcome measure in context. The office-action average adds information about examination activity preceding allowance. These measures can help practitioners review docket demands and set expectations for prosecution work in this technology area.

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

Quality Metrics (n=1647 apps, methodology: how we score firms)

82.3%
Allowance Rate
n=1647
+0.60σ
Allowance Rate (norm)
n=1647
3.1
OAs to Allowance
n=953
-0.32σ
OAs to Allow (norm)
n=953
1070 days
Time to Allowance
n=953
+8.0pp
Interview Lift
n=1647
18.2%
RCE Rate
n=1647
2.0%
Appeal Rate
n=1647

Rejection Performance (% of received rejections ultimately overcome)

72.7%
§101 Overcome
n=77
75.3%
§102 Overcome
n=352
78.3%
§103 Overcome
n=637
80.3%
§112 Overcome
n=477

Specialization & Scale

Y10T, G01N, A61B
Top CPC Subclasses
10%
Top-3 CPC Share
n=1647
5
Practitioners
n=1647
329.4
Apps / Practitioner
n=1647

Portfolio Summary

25
Total Pending OAs
17
Non-Final OAs
8
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 5 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

2
Overdue
0
Due this week
3
Due this month
0
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. 5 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (2)Due ≤ 30 days (3)

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.

19
Hard (76%)
4
Medium (16%)
2
Easy (8%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other2 (8%)
§103 only3 (12%)
§112 only2 (8%)
Double-patenting + other1 (4%)
Multi-statute (no §101)17 (68%)

Industry Mix

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

10
Life Sciences
40% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
3
Semiconductors
12% of docket
12
Mechanical / Eng
48% 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.

250 h
Manual time on pending OAs
50 h
Time saved (low, 20%)
88 h
Time saved (mid, 35%)
2.2 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
NGUYEN, AIMEE TRAN 2 78.8% +16.8%
SCHWARTZ, PHILIP N 1 55.5% +17.0%
WAX, ROBERT A 1 25.7% +3.9%
DUNNING, RYAN S 1 76.0% +24.2%
BROWN, DREW J 1 89.5% +5.9%
SMITH, PETER DANIEL 1 51.3% +48.8%
TEJADA, JOSEANE ECLAIR 1 51.2% +49.0%
LEE, CHIHYI NMN 1 33.3% +61.1%
QI, HUA 1 56.5% +23.0%
SMITH, JASON CHRISTOPHER 1 83.6% +13.0%

Hard Cases (19)

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
18028782 NEW HYDROGELS XU, JIANGTIAN 43d overdue
18567105 Thermoregulatory Stress Detection from Skin Temperature Complexity JANG, ELINA SOHYUN 26d
18998335 Method for Preparing Fiber Deodorant Composition WAX, ROBERT A —
19100151 Window Film DUNNING, RYAN S —
18868589 Main Frame, Front Fork, and Bicycle Frame Comprising Same BROWN, DREW J —
18854087 Ocular Chemical Injury Treatment Ring and Method of Use SMITH, PETER DANIEL —
18794153 Methods for Treating Traumatic Brain Injury LEE, CHIHYI NMN —
18728569 Reaction Furnace for Producing Polycrystalline Silicon Rod, Gas Supply Nozzle, Production Method of Polycrystalline Silicon Rod, and Polycrystalline Silicon Rod QI, HUA —

Interview Candidates (9)

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
18858734 Linear Plain Bearing NGUYEN, AIMEE TRAN 16d
18859031 Axial and Radial Sliding Bearing NGUYEN, AIMEE TRAN 29d
19161577 Rubber Composition for Tire and Rubber Material for Tire SCHWARTZ, PHILIP N —
19100151 Window Film DUNNING, RYAN S —
18854087 Ocular Chemical Injury Treatment Ring and Method of Use SMITH, PETER DANIEL —
18839792 Motorized Functional Fitting for a Base of a Box Spring Bed or a Platform Bed or for a Slatted Bed Base TEJADA, JOSEANE ECLAIR —
18794153 Methods for Treating Traumatic Brain Injury LEE, CHIHYI NMN —
18728569 Reaction Furnace for Producing Polycrystalline Silicon Rod, Gas Supply Nozzle, Production Method of Polycrystalline Silicon Rod, and Polycrystalline Silicon Rod QI, HUA —

Client Portfolio (16 clients)

Top Art Units

Art UnitApps
36173
37912
37742
17491
16151
28721
37811
36731
16281
17141

Pending Office Actions

App #TitleClientExaminerArt UnitStatutesStatusDue inAIFiled
19161577 Rubber Composition for Tire and Rubber Material for Tire Tokuyama Corporation SCHWARTZ, PHILIP N 1749 §103 Non-Final OA — Pending Sep 02, 2025
18998335 Method for Preparing Fiber Deodorant Composition Bioworks WAX, ROBERT A 1615 §102§103§112 Non-Final OA — Pending Mar 10, 2025
19100151 Window Film Lintec Corporation DUNNING, RYAN S 2872 §102§103§112 Non-Final OA — Pending Jan 31, 2025
18868589 Main Frame, Front Fork, and Bicycle Frame Comprising Same Igus SE & Co. Kg BROWN, DREW J 3617 §102§103 Non-Final OA — Pending Nov 22, 2024
18859031 Axial and Radial Sliding Bearing Igus GmbH NGUYEN, AIMEE TRAN 3617 §103 Final Rejection 29d Pending Oct 22, 2024
18858734 Linear Plain Bearing Igus GmbH NGUYEN, AIMEE TRAN 3617 §112 Final Rejection 16d Pending Oct 21, 2024
18854087 Ocular Chemical Injury Treatment Ring and Method of Use The United States Government (Department of the Army) SMITH, PETER DANIEL 3781 §102§103 Non-Final OA — Pending Oct 04, 2024
18839792 Motorized Functional Fitting for a Base of a Box Spring Bed or a Platform Bed or for a Slatted Bed Base Dewertokin Technology Group Co., Ltd. TEJADA, JOSEANE ECLAIR 3673 §103 Final Rejection — Pending Aug 20, 2024
18794153 Methods for Treating Traumatic Brain Injury The United States Government (Department of the Army) LEE, CHIHYI NMN 1628 §103§112 Non-Final OA — Pending Aug 05, 2024
18728569 Reaction Furnace for Producing Polycrystalline Silicon Rod, Gas Supply Nozzle, Production Method of Polycrystalline Silicon Rod, and Polycrystalline Silicon Rod Tokuyama Corporation QI, HUA 1714 §103§112 Final Rejection — Pending Jul 12, 2024
18035485 Dispensing Device for a Flexible Line Arrangement and Line Guide Apparatus with Conveying Unit Igus GmbH SMITH, JASON CHRISTOPHER 3615 §103§112 Non-Final OA — Pending Jul 12, 2024
18717581 Anorectal Manometer Lucid Group Limited HOFFPAUIR, ANDREW ELI 3791 §103§112 Final Rejection — Pending Jun 07, 2024
18701470 Optical Fiber Distribution Sub-Frame and Reversing Method Fiberhome Telecommunication Technologies Co., Ltd. HOLLWEG, THOMAS A 2874 §103§112 Non-Final OA — Pending Apr 15, 2024
18697034 Masterbatch, Method for Producing Masterbatch, Rubber Composition for Tires, Method for Producing Rubber Composition for Tires, and Rubber Material for Tires Tokuyama Corporation SALAMON, PETER A 1759 §102§103 Non-Final OA — Pending Mar 29, 2024
18686413 Modular Humeral Component for Use in a Universal Shoulder Prosthesis System Raphael S.F. Longobardi, LLC TYSON, MELANIE RUANO 3774 §102§103§112 Non-Final OA — Pending Feb 24, 2024
18570699 Production of Biopolymers Co2Bioclean GmbH KIEFER, DALTON EDWARD 1652 §103DP Non-Final OA — Pending Dec 15, 2023
18567105 Thermoregulatory Stress Detection from Skin Temperature Complexity The Secretary of State for Defence JANG, ELINA SOHYUN 3791 §101§112 Final Rejection 26d Pending Dec 05, 2023
18283838 Stabilized Electrodes Leibniz-Institut Für Neue Materialien Gemeinnützige GmbH RIPA, BRYAN D 1794 §102§103§112 Non-Final OA — Pending Sep 25, 2023
18273561 Methods and Systems for Concentrating a Gas Sample Mecanique Analytique Inc. RAEVIS, ROBERT R 2855 §112 Non-Final OA 38d overdue Pending Jul 21, 2023
18038549 Structured Material Leibniz-Institut Für Neue Materialien Gemeinnützige GmbH COONEY, JOHN M 1765 §102§103 Non-Final OA — Pending May 24, 2023
18038021 SHIELDING APPARATUS FOR A WORKSTATION Igus SE & Co. Kg AUBREY, BETH A 3633 §103§112 Non-Final OA — Pending May 21, 2023
18133334 Disk-Pack Housing Qwtip LLC REITZ, MICHAEL K. 3745 §103§112 Non-Final OA — Pending Apr 11, 2023
18028782 NEW HYDROGELS Leibniz-Institut Für Neue Materialien Gemeinnützige GmbH XU, JIANGTIAN 1762 §103§112 Final Rejection 43d overdue Pending Mar 28, 2023
17907930 UNIVERSAL SHOULDER PROSTHESIS SYSTEM AND TOOLS Raphael S.F. Longobardi, LLC DUDDEN, TERESA MARIE 3774 §103§112 Non-Final OA — Pending Aug 29, 2022
17782684 Method for Manufacturing a Fibrinogen Preparation Biotest AG TSAY, MARSHA M 1656 §101§103 Final Rejection — Pending Jun 06, 2022

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Frequently Asked Questions

What is Cahn & Samuels LLP's patent allowance rate?

82.3% of resolved applications prosecuted by Cahn & Samuels LLP were allowed, across 1,647 applications in USPTO records.

How many office actions does Cahn & Samuels LLP average before allowance?

3.09 office actions per allowed application on average.

How many pending office actions does Cahn & Samuels LLP have?

25 pending office actions as of October 2026, for 16 clients, before 24 examiners in 21 art units.

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