Prosecution Insights
Last updated: October 27, 2026

Katherine-Ph Minh Pham, USPTO Patent Examiner

Listed by the USPTO as PHAM, KATHERINE-PH MINH

Tech Center 3700 • Art Units: 3753 3781

This examiner grants 60% of resolved cases

Analysis

Katherine-Ph Minh Pham has resolved 102 cases in Art Unit 3753, maintaining an allowance rate of 59.8 percent. The median days to allowance is 1281, which sets the expectation for applicants such as Insera Therapeutics Inc., 3M Company, and Mölnlycke Health Care AB. This timeline reflects the complexities often found in medical device prosecution in Tech Center 3700, requiring a patient and thorough approach.

The interview lift of 49.7 percent is very high, suggesting that interviews are an exceptionally effective tool for this examiner. This lift significantly improves the chances of success compared to the base 59.8 percent allowance rate. Firms like Knobbe, Martens, Olson & Bear, LLP, BALLARD SPAHR LLP, and BLANK ROME LLP should prioritize interviews to navigate the 1281-day median pendency and resolve outstanding issues. The data strongly supports an interactive strategy to reach a favorable disposition.

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

Performance Statistics

59.8%
Allow Rate
-10.2% vs TC avg
168
Total Applications
+49.7%
Interview Lift
1281
Avg Prosecution Days
Based on 102 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
16.7%
§102 Novelty
66.0%
§103 Obviousness
13.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17501768 LAVAGE SYSTEMS AND DEVICES HAVING A VENTING COMPONENT Non-Final OA CareFusion 2200, Inc.
18867082 MODULAR NEGATIVE PRESSURE WOUND THERAPY DEVICES, SYSTEMS, AND METHODS Non-Final OA Solventum Intellectual Properties Company
18867247 MODULAR NEGATIVE PRESSURE WOUND THERAPY SYSTEMS Non-Final OA Solventum Intellectual Properties Company
17605168 Manifold With Biological Actives For Negative-Pressure Therapy Non-Final OA Solventum Intellectual Properties Company
18982557 OPTICAL FIBERS FOR OPTICALLY SENSING THROUGH WOUND DRESSINGS Non-Final OA T.J.Smith and Nephew,Limited
18571520 LIQUID INGRESS PROTECTION AND DESIGN OF ELECTRONIC CIRCUITRY FOR NEGATIVE PRESSURE WOUND THERAPY SYSTEMS Final Rejection T.J.Smith and Nephew,Limited
18847383 ACCESS GRAFT SYSTEMS AND METHODS Non-Final OA W. L. Gore & Associates, Inc.
18708636 Skin Disinfecting Scrubbing Device With Accurate Disinfectant Solution Volume Dispensing Control Final Rejection BECTON, DICKINSON AND COMPANY
18690392 FLUID COLLECTION CONTAINER LINER ASSEMBLY, AND RELATED SYSTEMS AND METHODS Non-Final OA PUREWICK CORPORATION
18043618 FLUID COLLECTION DEVICES AND SYSTEMS HAVING ONE OR MORE SECUREMENT STRAPS, AND METHODS OR USE Final Rejection PUREWICK CORPORATION
18870472 A TUBE Non-Final OA Coloplast A/S
18017302 DESIGN OF 3D-PRINTED NASOPHARYNGEAL SWABS Non-Final OA BAYLOR COLLEGE OF MEDICINE
18019281 APPARATUS FOR CONTROLLING LEAKAGE OF A REDUCE PRESSURE THERAPY SYSTEM Non-Final OA KCI Manufacturing Unlimited Company

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Frequently Asked Questions

What is examiner Katherine-Ph Minh Pham's allowance rate?

59.8% of resolved applications examined by Katherine-Ph Minh Pham were allowed (102 resolved cases), compared with 65.5% across Art Unit 3753 over the last five years.

Does an interview help with examiner Katherine-Ph Minh Pham?

This examiner's interview lift is +49.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Katherine-Ph Minh Pham take to allow a patent?

Applications allowed by Katherine-Ph Minh Pham took 1,281 days on average from filing to allowance.

Which art unit does examiner Katherine-Ph Minh Pham work in?

Katherine-Ph Minh Pham examines applications in Art Unit 3753 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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