Technology area: Medical Devices & Mechanical Engineering
5 pending office actions • 2 art units • 2 examiners • 0 of 5 (0%) have an AI response strategy ready • 1 patents granted in the last 365 days
Bfkw LLC has 5 pending office actions within the Medical Devices & Mechanical Engineering technology area. These matters are distributed among 2 distinct examiners and 2 distinct art units, which indicates that the company's prosecution is concentrated within a small number of examination groups. This concentration suggests that the company is navigating a relatively narrow set of examiner preferences across its 5 pending office actions. The reliance on 2 distinct art units for the 5 pending matters allows for a more focused technical strategy.
The busiest examiner, YANG, CHENG FONG, is responsible for 4 pending office actions. This examiner manages a significant portion of the portfolio's 5 total pending actions, while the remaining action is handled by the other distinct examiner. For the practitioner, the high volume of cases assigned to YANG, CHENG FONG means that this individual's specific interpretation of the 2 distinct art units' guidelines will heavily influence the company's overall success rate. The reliance on 2 distinct examiners for 5 actions creates a scenario where a majority of the company's current legal strategy is focused on a single examiner's feedback. This lack of diversity in examiners compared to the number of pending actions can lead to highly consistent prosecution outcomes within the Medical Devices & Mechanical Engineering sector.
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.
| Bucket | Cases |
|---|---|
| §103 only | 1 (20%) |
| Multi-statute (no §101) | 4 (80%) |
How the docket's pending cases split across USPTO tech-center bands.
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.
| Examiner | Apps on this docket | Allow rate | Interview lift |
|---|---|---|---|
| YANG, CHENG FONG | 4 | 61.9% | +24.5% |
| KHANDKER, RAIHAN R | 1 | 64.4% | +55.6% |
Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 4 ordered by deadline are shown.
| App # | Title | Examiner | Due in |
|---|---|---|---|
| 18880338 | METHOD OF FIXATION OF INTRALUMINAL DEVICE, INTRALUMINAL FIXATION SYSTEM AND INTRALUMINAL FASTENER | KHANDKER, RAIHAN R | — |
| 19005519 | SYSTEM ADAPTED TO DEPLOY AN INTRALUMINAL DEVICE | YANG, CHENG FONG | — |
| 19005566 | ENDOSCOPE CONVERSION KIT | YANG, CHENG FONG | — |
| 19005536 | INTRALUMINAL DEPLOYMENT SYSTEM | YANG, CHENG FONG | — |
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 5 ordered by deadline are shown.
| App # | Title | Examiner | Due in |
|---|---|---|---|
| 18880338 | METHOD OF FIXATION OF INTRALUMINAL DEVICE, INTRALUMINAL FIXATION SYSTEM AND INTRALUMINAL FASTENER | KHANDKER, RAIHAN R | — |
| 19005579 | METHOD OF DEPLOYING AN INTRALUMINAL DEVICE AND INTRALUMINAL SYSTEM | YANG, CHENG FONG | — |
| 19005519 | SYSTEM ADAPTED TO DEPLOY AN INTRALUMINAL DEVICE | YANG, CHENG FONG | — |
| 19005566 | ENDOSCOPE CONVERSION KIT | YANG, CHENG FONG | — |
| 19005536 | INTRALUMINAL DEPLOYMENT SYSTEM | YANG, CHENG FONG | — |
| Art Unit | Apps |
|---|---|
| 3781 | 4 |
| 3771 | 1 |
| App # | Title | Examiner | Art Unit | Statutes | Status | Due in | AI | Filed |
|---|---|---|---|---|---|---|---|---|
| 18880338 | METHOD OF FIXATION OF INTRALUMINAL DEVICE, INTRALUMINAL FIXATION SYSTEM AND INTRALUMINAL FASTENER | KHANDKER, RAIHAN R | 3771 | §102§103§112 | Non-Final OA | — | Pending | Dec 31, 2024 |
| 19005579 | METHOD OF DEPLOYING AN INTRALUMINAL DEVICE AND INTRALUMINAL SYSTEM | YANG, CHENG FONG | 3781 | §103 | Non-Final OA | — | Pending | Dec 30, 2024 |
| 19005519 | SYSTEM ADAPTED TO DEPLOY AN INTRALUMINAL DEVICE | YANG, CHENG FONG | 3781 | §103§112 | Non-Final OA | — | Pending | Dec 30, 2024 |
| 19005566 | ENDOSCOPE CONVERSION KIT | YANG, CHENG FONG | 3781 | §102§103 | Non-Final OA | — | Pending | Dec 30, 2024 |
| 19005536 | INTRALUMINAL DEPLOYMENT SYSTEM | YANG, CHENG FONG | 3781 | §102§103 | Non-Final OA | — | Pending | Dec 30, 2024 |
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Start Free TrialBfkw LLC has 5 pending office actions as of October 2026, spread across 2 art units and 2 examiners.
Cheng Fong Yang has the most, with 4 of Bfkw LLC's pending office actions.
Mostly Medical Devices & Mechanical Engineering (USPTO Tech Center 3700), based on where its pending office actions are examined.
