Prosecution Insights
Last updated: May 29, 2026

Western Digital Technologies Inc.

51 pending office actions • 33 art units • 44 examiners • 0 of 51 (0%) have an AI response strategy ready • 263 patents granted in the last 365 days

Portfolio Summary

51
Total Pending OAs
39
Non-Final OAs
10
Final Rejections
2
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 51 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

19
Overdue
1
Due this week
15
Due this month
14
Due in next 60 days
2
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. 51 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (19)Due ≤ 7 days (1)Due ≤ 30 days (15)Due ≤ 60 days (14)Due later (2)

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.

0
Hard (0%)
44
Medium (86%)
4
Easy (8%)
3
Unknown (6%)

Rejection Statute Mix

BucketCases
§103 only39 (76%)
§102 only5 (10%)
§112 only4 (8%)
No statute on record3 (6%)

Industry Mix

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

7
Life Sciences
14% of docket
14
Information Tech
27% of docket
7
Communications
14% of docket
22
Semiconductors
43% of docket
1
Mechanical / Eng
2% 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.

510 h
Manual time on pending OAs
102 h
Time saved (low, 20%)
178 h
Time saved (mid, 35%)
4.5 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
KLIMOWICZ, WILLIAM JOSEPH 3 80.8% +18.6%
HINDI, NABIL Z 2 87.4% +8.9%
CHAU, LINDA N 2 43.6% +16.0%
CHAU, LISA N 2 24.9% +16.4%
ADROVEL, WILLIAM 2 42.3% +55.0%
RAMIREZ, ALEXANDRE XAVIER 2 100.0% +0.0%
AGUSTIN, PETER VINCENT 1 83.9% +12.6%
BARTELS, CHRISTOPHER A. 1 67.0% +11.7%
CHOI, YUK TING 1 71.5% +36.9%
COLAN, GIOVANNA B 1 72.5% +28.5%

Quick Wins (6)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 6 ordered by deadline are shown.

App #TitleExaminerDue in
18349560 THREE-DIMENSIONAL MEMORY DEVICE HAVING CONTROLLED LATERAL ISOLATION TRENCH DEPTH AND METHODS OF FORMING THE SAME RAMIREZ, ALEXANDRE XAVIER 37d overdue
18952399 DATA STORAGE DEVICE WITH FLEXIBLE LOGICAL TRACKS AND RADIUS-INDEPENDENT DATA RATE HINDI, NABIL Z 23d overdue
19090327 LASER HEATER FEEDBACK CONTROL IN HEAT ASSISTED MAGNETIC RECORDING HINDI, NABIL Z 22d overdue
18361550 THREE-DIMENSIONAL MEMORY DEVICE CONTAINING PERIPHERAL CIRCUIT WITH FIN AND PLANAR FIELD EFFECT TRANSISTORS AND METHOD OF MAKING THEREOF RAMIREZ, ALEXANDRE XAVIER 9d
19040639 RuAl and MgTiO Lamination For Effective Buffer and Interlayers For Topological Material Layers KLIMOWICZ, WILLIAM JOSEPH 28d
18890207 Dual Free Layer TMR Reader With Shaped Rear Bias and Methods of Forming Thereof KLIMOWICZ, WILLIAM JOSEPH 46d

Hard Cases (2)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 2 ordered by deadline are shown.

App #TitleExaminerDue in
18308576 Magnetic Read Sensors Having Reduced Signal Imbalance CHAU, LISA N 30d overdue
18666635 OXIDATION RESISTANCE OF LUBRICANT WITH MODIFIED EPOXIDE-BASED LINKAGES CHAU, LISA N 12d

Interview Candidates (13)

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
18308576 Magnetic Read Sensors Having Reduced Signal Imbalance CHAU, LISA N 30d overdue
18358768 CROSS-POINT OVONIC FRUSTUM MEMORY DEVICE AND METHOD OF MAKING THE SAME ADROVEL, WILLIAM 4d overdue
18666635 OXIDATION RESISTANCE OF LUBRICANT WITH MODIFIED EPOXIDE-BASED LINKAGES CHAU, LISA N 12d
19040639 RuAl and MgTiO Lamination For Effective Buffer and Interlayers For Topological Material Layers KLIMOWICZ, WILLIAM JOSEPH 28d
18740053 SERIAL INTERFACE COMPRISING DUAL CLOCK AND DATA I/O CELL BARTELS, CHRISTOPHER A. 34d
18640346 ENTITY RELATIONSHIP DIAGRAM GENERATION FOR DATABASES COLAN, GIOVANNA B 35d
18757954 MAGNETIC RECORDING MEDIA WITH SMALL RECORDING GRAIN SIZES, HIGH ASPECT RATIO, AND METHODS OF FABRICATING SAME CHAU, LINDA N 39d
19200292 Magnetic Recording Head With Assisting Electric Current In Trailing Shield KLIMOWICZ, WILLIAM JOSEPH 40d

Top Art Units

Art UnitApps
2688 6
2817 6
1785 4
2812 4
2898 2
2811 2
2184 1
2164 1
2165 1
2827 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19237544 LUBRICANTS AND METHODS TO DETERMINE DEWETTING THICKNESS THEREOF AGUSTIN, PETER VINCENT 2688 Other Non-Final OA 50d Pending Jun 13, 2025
19200292 Magnetic Recording Head With Assisting Electric Current In Trailing Shield KLIMOWICZ, WILLIAM JOSEPH 2688 Other Non-Final OA 40d Pending May 06, 2025
19090327 LASER HEATER FEEDBACK CONTROL IN HEAT ASSISTED MAGNETIC RECORDING HINDI, NABIL Z 2688 §103 Non-Final OA 22d overdue Pending Mar 25, 2025
19040639 RuAl and MgTiO Lamination For Effective Buffer and Interlayers For Topological Material Layers KLIMOWICZ, WILLIAM JOSEPH 2688 §103 Non-Final OA 28d Pending Jan 29, 2025
18952399 DATA STORAGE DEVICE WITH FLEXIBLE LOGICAL TRACKS AND RADIUS-INDEPENDENT DATA RATE HINDI, NABIL Z 2688 §102 Non-Final OA 23d overdue Pending Nov 19, 2024
18890207 Dual Free Layer TMR Reader With Shaped Rear Bias and Methods of Forming Thereof KLIMOWICZ, WILLIAM JOSEPH 2688 §103 Final Rejection 46d Pending Sep 19, 2024
18757954 MAGNETIC RECORDING MEDIA WITH SMALL RECORDING GRAIN SIZES, HIGH ASPECT RATIO, AND METHODS OF FABRICATING SAME CHAU, LINDA N 1785 §103 Non-Final OA 39d Pending Jun 28, 2024
18758385 MAGNETIC RECORDING MEDIA WITH NI-PT SEED LAYER CHAU, LINDA N 1785 §103 Final Rejection 75d Pending Jun 28, 2024
18740053 SERIAL INTERFACE COMPRISING DUAL CLOCK AND DATA I/O CELL BARTELS, CHRISTOPHER A. 2184 §103 Final Rejection 34d Pending Jun 11, 2024
18677096 AUTOMATED SNAPSHOT MANAGEMENT FOR DATA STORAGE DEVICE ARRAYS CHOI, YUK TING 2164 §103 Non-Final OA 42d Pending May 29, 2024
18666635 OXIDATION RESISTANCE OF LUBRICANT WITH MODIFIED EPOXIDE-BASED LINKAGES CHAU, LISA N 1785 §103 Non-Final OA 12d Pending May 16, 2024
18640346 ENTITY RELATIONSHIP DIAGRAM GENERATION FOR DATABASES COLAN, GIOVANNA B 2165 §103 Final Rejection 35d Pending Apr 19, 2024
18603582 LATERAL SUB-BLOCK MODE IN A MEMORY DEVICE COON, BRADLEY SCOTT 2827 §103 Final Rejection 18d overdue Pending Mar 13, 2024
18436345 ERASE BIAS SCHEME TO LOWER VERAMAX AND NAND CHIP-SIZE SHRINK REECE, CHRISTOPHER LANE 2824 §103 Final Rejection 4d overdue Pending Feb 08, 2024
18426878 TWO-WAY RECEPTACLE FOR UNIVERSAL SERIAL BUS LEON MUNOZ, EDWIN A 2831 §102 Non-Final OA 34d Pending Jan 30, 2024
18509035 BONDING STRUCTURES FOR HIGH-DENSITY METAL-TO-METAL BONDING AND METHODS FOR FORMING THE SAME ASSOUMAN, HERVE-LOUIS Y 2812 §103 Non-Final OA 41d Pending Nov 14, 2023
18509051 BONDING STRUCTURES FOR HIGH-DENSITY METAL-TO-METAL BONDING AND METHODS FOR FORMING THE SAME MEHTA, RATISHA 2817 Other Non-Final OA 41d Pending Nov 14, 2023
18505292 Optimizations For Payload Fetching In NVMe Commands KIM, ELIAS YOUNG 2135 §103 Non-Final OA 4d overdue Pending Nov 09, 2023
18499325 CROSS-POINT OVONIC MEMORY DEVICE HAVING DIFFERENT SIZE ELECTRODES AND METHOD OF MAKING THE SAME ADROVEL, WILLIAM 2898 §103 Non-Final OA 70d Pending Nov 01, 2023
18477907 THREE-DIMENSIONAL MEMORY DEVICE CONTAINING LATERALLY UNDULATING ISOLATION TRENCHES AND METHODS OF MAKING THE SAME AHMED, SHAHED 2813 §103 Non-Final OA 57d Pending Sep 29, 2023
18372152 METHOD FOR HANDLING EXTREME TEMPERATURES IN STORAGE DEVICES THAMMAVONG, PRASITH 2137 §103 Non-Final OA 98d overdue Pending Sep 25, 2023
18471896 THREE-DIMENSIONAL MEMORY DEVICE WITH ISOLATION TRENCH FILL STRUCTURE HAVING LATERALLY-UNDULATING SIDEWALLS AND METHOD OF MAKING THE SAME SENGDARA, VONGSAVANH 2893 §102 Non-Final OA 49d Pending Sep 21, 2023
18466108 SEMICONDUCTOR DEVICE FABRICATION METHOD USING A DEPOSITION APPARATUS WITH A CONTOURED WAFER CARRIER RING MILLER, JR, JOSEPH ALBERT 1712 §103 Non-Final OA 19d overdue Pending Sep 13, 2023
18462830 CHEMICAL MECHANICAL POLISHING PROCESS USING STEAM FOR POLISHING FLUID DELIVERY AND AN APPARATUS FOR IMPLEMENTING THE SAME KAO, SOPHIA WEI-CHUN 2817 §112 Non-Final OA 30d Pending Sep 07, 2023
18238952 INTERPOSER FOR TROUBLESHOOTING A BALL GRID ARRAY (BGA) DEVICE AND COUPLING THE BGA DEVICE TO A PRINTED CIRCUIT BOARD WITH LIMITED HEAT EXPOSURE CAZAN, LIVIUS RADU 3729 §103 Non-Final OA 46d overdue Pending Aug 28, 2023
18450095 THREE-DIMENSIONAL MEMORY DEVICES INCLUDING SELF-ALIGNED CHANNEL CAP STRUCTURES AND METHODS FOR FORMING THE SAME DUREN, TIMOTHY EDWARD 2817 §103 Non-Final OA 13d Pending Aug 15, 2023
18233697 THREE-DIMENSIONAL MEMORY DEVICE INCLUDING A METAL OXIDE ETCH STOP LAYER AND METHODS FOR FORMING THE SAME LI, MEIYA 2811 §103 Non-Final OA 14d Pending Aug 14, 2023
18447562 GROUND REFERENCED BANDGAP CIRCUIT IN A NEGATIVELY BIASED SUBSTRATE CMOS INTEGRATED CIRCUIT AHMAD, SHAHZEB K 2838 §103 Final Rejection 40d Pending Aug 10, 2023
18447723 Access Control System and a Data Storage Device LIN, AMIE CHINYU 2436 §103 Non-Final OA 15d Pending Aug 10, 2023
18232642 PRIORITY BASED THERMAL MANAGEMENT FOR DATA STORAGE DEVICE ENCLOSURES CONNOLLY, MARK A 2115 §112 Non-Final OA 19d Pending Aug 10, 2023
18361575 THREE-DIMENSIONAL MEMORY DEVICE CONTAINING OVERLYING THIN FILM TRANSISTOR CONTROL CIRCUIT AND METHOD OF MAKING THEREOF YUSHINA, GALINA G 2811 §103 Non-Final OA 9d Pending Jul 28, 2023
18361118 Semiconductor Device Package with Coupled Substrates BRASFIELD, QUINTON A 2814 §103 Non-Final OA 30d Pending Jul 28, 2023
18361550 THREE-DIMENSIONAL MEMORY DEVICE CONTAINING PERIPHERAL CIRCUIT WITH FIN AND PLANAR FIELD EFFECT TRANSISTORS AND METHOD OF MAKING THEREOF RAMIREZ, ALEXANDRE XAVIER 2812 §103 Non-Final OA 9d Pending Jul 28, 2023
18358768 CROSS-POINT OVONIC FRUSTUM MEMORY DEVICE AND METHOD OF MAKING THE SAME ADROVEL, WILLIAM 2898 §103 Non-Final OA 4d overdue Pending Jul 25, 2023
18358633 HIGH VOLTAGE FIELD EFFECT TRANSISTORS WITH DIFFERENT SIDEWALL SPACER CONFIGURATIONS AND METHOD OF MAKING THE SAME VLCEK, JACOB ALEXANDER 2817 §103 Non-Final OA 27d Pending Jul 25, 2023
18357781 THREE-DIMENSIONAL MEMORY DEVICE CONTAINING TRENCH SUPPORT BRIDGE STRUCTURES AND METHODS FOR MANUFACTURING THE SAME NEWTON, VALERIE N 2897 §103 Non-Final OA 27d Pending Jul 24, 2023
18355753 DYNAMIC ALLOCATION OF CAPACITY TO NAMESPACES IN A DATA STORAGE DEVICE HUARACHA, WILLY W 2197 §103 Non-Final OA 26d Pending Jul 20, 2023
18355064 Multiple Neural Network Training Nodes in a Read Channel ROSTAMI, MOHAMMAD S 2154 §103 Non-Final OA 6d Pending Jul 19, 2023
18354150 Offloading Data Storage Device Processing Tasks to a Graphics Processing Unit WU, BENJAMIN C 2195 §103 Non-Final OA 19d overdue Pending Jul 18, 2023
18354174 USING INTERNAL OPERATION FILES HAVING KNOWN PATTERNS ACROSS MULTIPLE DEVICES ZECHER, CORDELIA P K 2100 §103 Non-Final OA 71d overdue Pending Jul 18, 2023
18222849 METHODS AND APPARATUS FOR FABRICATING GLASS SUBSTRATES FOR USE IN MAGNETIC RECORDING MEDIA DEHGHAN, QUEENIE S 1741 §103 Non-Final OA 5d overdue Pending Jul 17, 2023
18349560 THREE-DIMENSIONAL MEMORY DEVICE HAVING CONTROLLED LATERAL ISOLATION TRENCH DEPTH AND METHODS OF FORMING THE SAME RAMIREZ, ALEXANDRE XAVIER 2812 §103 Non-Final OA 37d overdue Pending Jul 10, 2023
18347404 SEMICONDUCTOR DEVICE INCLUDING METAL INTERCONNECT STRUCTURES THAT CONTAIN SELECTIVELY-GROWN DIELECTRIC SPACERS AND METHODS FOR FORMING THE SAME LEE, DA WEI 2817 §103 Non-Final OA 28d Pending Jul 05, 2023
18344227 MEMORY DEVICE INCLUDING ALUMINUM NITRIDE DIFFUSION BARRIER LAYER AND METHODS FOR FORMING THE SAME RAMALLO, GUSTAVO G 2812 §102 Non-Final OA 3d overdue Pending Jun 29, 2023
18343118 THREE-DIMENSIONAL MEMORY DEVICE INCLUDING BACKSIDE SEMICONDUCTOR SOURCE STRUCTURE AND METHODS FOR FORMING THE SAME TRAN, THANH Y 2817 §102 Non-Final OA 2d overdue Pending Jun 28, 2023
18343173 REDUCING DATA COMMUNICATIONS IN DISTRIBUTED INFERENCE SCHEMES PHAM, JESSICA THUY 2121 §103 Non-Final OA 55d Pending Jun 28, 2023
18325942 SPIN TORQUE OSCILLATOR (STO) SENSORS USED IN NUCLEIC ACID SEQUENCING ARRAYS AND DETECTION SCHEMES FOR NUCLEIC ACID SEQUENCING XU, XIAOYUN 1797 §112 Final Rejection 21d Pending May 30, 2023
18308576 Magnetic Read Sensors Having Reduced Signal Imbalance CHAU, LISA N 1785 §103 Final Rejection 30d overdue Pending Apr 27, 2023
18161209 Management of Storage Devices Utilizing Non-Fungible Tokens WORKU, SARON MATTHEWOS 2408 §103 Non-Final OA 8d overdue Pending Jan 30, 2023
17958185 Control Table Set Management In Storage Devices DARE, RYAN A 2132 §112 Non-Final OA 114d overdue Pending Sep 30, 2022
17852301 POWER MANAGEMENT FOR WIRELESS DEVICE LOSS PREVENTION AND DISCOVERY CHEN, JUNPENG 2645 §103 Final Rejection 96d overdue Pending Jun 28, 2022

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