Prosecution Insights
Last updated: August 15, 2026
Application No. 18/386,959

DENTAL VISION SYSTEM

Non-Final OA §103
Filed
Nov 03, 2023
Examiner
SATTI, HUMAM M
Art Unit
2422
Tech Center
2400 — Computer Networks
Assignee
A-Dec Inc.
OA Round
3 (Non-Final)
64%
Grant Probability
Moderate
3-4
OA Rounds
0m
Est. Remaining
81%
With Interview

Examiner Intelligence

Grants 64% of resolved cases
64%
Career Allowance Rate
292 granted / 460 resolved
+5.5% vs TC avg
Strong +18% interview lift
Without
With
+17.8%
Interview Lift
resolved cases with interview
Typical timeline
2y 9m
Avg Prosecution
8 currently pending
Career history
482
Total Applications
across all art units

Statute-Specific Performance

§101
3.4%
-36.6% vs TC avg
§103
65.2%
+25.2% vs TC avg
§102
19.0%
-21.0% vs TC avg
§112
7.2%
-32.8% vs TC avg
Black line = Tech Center average estimate • Based on career data from 460 resolved cases

Office Action

§103
Notice of Pre-AIA or AIA Status The present application, filed on or after March 16, 2013, is being examined under the first inventor to file provisions of the AIA . Continued Examination Under 37 CFR 1.114 A request for continued examination under 37 CFR 1.114, including the fee set forth in 37 CFR 1.17(e), was filed in this application after final rejection. Since this application is eligible for continued examination under 37 CFR 1.114, and the fee set forth in 37 CFR 1.17(e) has been timely paid, the finality of the previous Office action has been withdrawn pursuant to 37 CFR 1.114. Applicant's submission filed on 06/03/2026 has been entered. Response to Amendment Claim 1 has been amended. Claims 1-5 and 9 are pending while claims 6, 8, 10-28 have been withdrawn. Response to Arguments Applicant’s arguments, see pages 8 - 11, filed 06/03/2026, with respect to the rejection(s) of claim(s) 1-5 and 9 under U.S.C 103 have been fully considered and are persuasive. Therefore, the rejection has been withdrawn. However, upon further consideration, a new ground(s) of rejection is made in view of Subhash (WO 2021262528 A1) in view of Ummalaneni (Pub 20190167366) in view of Graetzel (WO 2022112969 A1). Examiner notes that Gratzel was used in a previous combination of references and is now used with a different combination of reference which fall in the same field of endeavor. Gratzel is at least combinable with Ummalaneni for maintaining image data with a frame of reference selected by a user such as disclosed by Ummalaneni, see rejection below. Claim Rejections - 35 USC § 103 The following is a quotation of 35 U.S.C. 103 which forms the basis for all obviousness rejections set forth in this Office action: A patent for a claimed invention may not be obtained, notwithstanding that the claimed invention is not identically disclosed as set forth in section 102, if the differences between the claimed invention and the prior art are such that the claimed invention as a whole would have been obvious before the effective filing date of the claimed invention to a person having ordinary skill in the art to which the claimed invention pertains. Patentability shall not be negated by the manner in which the invention was made. The factual inquiries for establishing a background for determining obviousness under 35 U.S.C. 103 are summarized as follows: 1. Determining the scope and contents of the prior art. 2. Ascertaining the differences between the prior art and the claims at issue. 3. Resolving the level of ordinary skill in the pertinent art. 4. Considering objective evidence present in the application indicating obviousness or nonobviousness. Claim(s) 1-4 and 9 are rejected under 35 U.S.C. 103 as being unpatentable over Subhash (WO 2021262528 A1) in view of Ummalaneni (Pub 20190167366) in view of Graetzel (WO 2022112969 A1). Regarding claim 1, Subhash discloses dental vision system, comprising: an intraoral camera component positionable within an oral cavity of a patient and movable manually by a user to obtain patient image data from various viewpoints within the oral cavity, (see image sensor 169 Fig 4 and Para. [0074] and [0081]); the intraoral camera component having at least two camera modules, (see image sensor 169 Fig 4 and optical sensor 171 Fig 4 which may comprise an image sensor Para. [0081]) and an inertial accelerometer configured to collect position and movement data relating to the intraoral camera component, (see accelerometer 191 Fig 4 and Para. [0070]); and a camera controller linked to the intraoral camera component, wherein the camera controller receives the patient image data and the position and movement data relating to the intraoral camera component and is configured to determine a selected viewing orientation for the patient image data based at least in part on the position and movement data, (see programmable processor 165 Fig 4 that receives sensor data and generates images/video 223 Fig 4. The generated images are aligned with the device coordinate system comprising the image sensor/inertial sensor, Para. [0086]). However, wherein the selected viewing orientation comprises a user-selected principal direction within a three-dimensional coordinate system associated with the oral cavity is not disclosed. In a similar field of endeavor, Ummalaneni discloses wherein the selected viewing orientation comprises a user-selected principal direction within a three-dimensional coordinate system associated with the oral cavity, (Note determining rotation and/or translation motion of camera Para. [0097]. Also note transforming visual frame of reference and/or control frame of reference based on medical instrument tip frame of reference to a desired frame of reference, Para. [0122]. The frame of reference is adjusted by rotating the visual frame of reference with respect to a longitudinal axis of the medical instrument based on user input Para. [0128]). Therefore, it would have been obvious to one of ordinary skill in the art before the effective filing date of the invention to modify the Subhash by Ummalaneni for the benefit of generating an intuitive display of captured images that is aligned with an operator of a medical instrument. The combination does not disclose wherein the camera controller is configured to automatically rotate the patient image data in substantially continuous incremental angular rotations to maintain alignment of the patient image data with the selected viewing orientation as the intraoral camera component is translated and/or rotated. In a similar field of endeavor, Graetzel discloses wherein the camera controller is configured to automatically rotate the patient image data in substantially continuous incremental angular rotations to maintain alignment of the patient image data with the selected viewing orientation as the intraoral camera component is translated and/or rotated, (Note user interface for displaying rotated image data as an imaging device is rolled, Para. [0122]. A correlation is established between the imaging device and the user interface that maintains the image data according to a frame of reference such as “the user’s view”, Para. [0123]. It is further disclosed that the image data can be rotated incrementally and continuously to maintain the image with respect to the frame of reference, Para. [0133-0134]). It would have been obvious to one of ordinary skill in the art before the effective filing date of the invention to modify the combination by Graetzel for the benefit of preventing viewer disorientation when the imaging device moves thereby allowing a viewer/operator to focus on captured images. Regarding claim 2, Subhash discloses wherein the camera controller is programmed to apply an angular rotation to the patient image data such that each patient image is substantially aligned with the selected viewing orientation, (transforming sensor data to be expressed as enhanced image data Para. [00014]. Note the sensor data comprise motion and orientation data). Regarding claim 3, Subhash discloses wherein the selected viewing orientation comprises a gravitational up orientation, (see magnetometer in Para. [0070][0071] which can be used to generate motion/orientation data to be processed by programmable processor 165 Fig 4 to generate image/video data 223 Fig 4). Regarding claim 4, Subhash discloses wherein the selected viewing orientation is determined with reference to a magnetic compass, (see magnetometer Para. [0070-0071]). Regarding claim 9, Subhash discloses wherein the at least two camera modules are mounted to a common plane, (note image sensor 171 and optical sensor 171 which may function as an image sensor, Para. [0081] are substantially mounted on a same plane Fig 3/Fig 4 to generate 3D image data). Claim(s) 5 is rejected under 35 U.S.C. 103 as being unpatentable over Subhash (WO 2021262528 a1) in view of Ummalaneni (Pub 20190167366) in view of Graetzel (WO 2022112969 A1) in view of Pereira Penha (WO 2024/127303 A1). Regarding claim 5, the combination discloses claim 1. However, wherein the selected viewing orientation is determined with reference to an absolute three-dimensional coordinate system is not disclosed. In a similar field of endeavor, Pereira Penha discloses wherein the selected viewing orientation is determined with reference to an absolute three-dimensional coordinate system., (see para [00112]] note absolute coordinate for tooth representation where tooth movements comprising tooth positions and orientations are used to generate 3D representations of teeth). It would have been obvious to one of ordinary skill in the art before the effective filing date of the invention was filed to modify the combination by Pereira Penha for the common purpose of generating different perspectives of oral cavity which is reference to a common coordinate system thereby simplifying data preprocessing and improving processing related to captured images. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to HUMAM M SATTI whose telephone number is (571)270-1709. The examiner can normally be reached Mon-Fri. Examiner interviews are available via telephone, in-person, and video conferencing using a USPTO supplied web-based collaboration tool. To schedule an interview, applicant is encouraged to use the USPTO Automated Interview Request (AIR) at http://www.uspto.gov/interviewpractice. If attempts to reach the examiner by telephone are unsuccessful, the examiner’s supervisor, John Miller can be reached at (571)272-7353. The fax phone number for the organization where this application or proceeding is assigned is 571-273-8300. Information regarding the status of published or unpublished applications may be obtained from Patent Center. Unpublished application information in Patent Center is available to registered users. To file and manage patent submissions in Patent Center, visit: https://patentcenter.uspto.gov. Visit https://www.uspto.gov/patents/apply/patent-center for more information about Patent Center and https://www.uspto.gov/patents/docx for information about filing in DOCX format. For additional questions, contact the Electronic Business Center (EBC) at 866-217-9197 (toll-free). If you would like assistance from a USPTO Customer Service Representative, call 800-786-9199 (IN USA OR CANADA) or 571-272-1000. HUMAM M. SATTI Examiner Art Unit 2422 /JOHN W MILLER/Supervisory Patent Examiner, Art Unit 2422
Read full office action

Prosecution Timeline

Show 1 earlier event
Nov 06, 2025
Non-Final Rejection mailed — §103
Feb 05, 2026
Response Filed
Mar 31, 2026
Applicant Interview (Telephonic)
Apr 07, 2026
Final Rejection mailed — §103
Jun 03, 2026
Response after Non-Final Action
Jul 01, 2026
Request for Continued Examination
Jul 10, 2026
Response after Non-Final Action
Jul 28, 2026
Non-Final Rejection mailed — §103 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12700081
CONTROL METHOD FOR CONTROLLING SYSTEM AND SYSTEM
4y 8m to grant Granted Aug 04, 2026
Patent 12664786
IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND STORAGE MEDIUM
1y 8m to grant Granted Jun 23, 2026
Patent 12657762
DEVICE AND METHOD FOR MULTI-USER EYE-TRACKING
1y 9m to grant Granted Jun 16, 2026
Patent 12646700
MULTIMODE CONFIGURABLE SPECTROMETER
3y 9m to grant Granted Jun 02, 2026
Patent 12647543
VIDEO DISPLAY DEVICE AND PROJECTOR
1y 10m to grant Granted Jun 02, 2026
Study what changed to get past this examiner. Based on 5 most recent grants.

Strategy Recommendation AI-generated — please review before filing

Get a prosecution strategy drawn from examiner precedents, rejection analysis, and claim mapping.
Typically takes 5-10 seconds — AI-generated, attorney review required before filing

Prosecution Projections

3-4
Expected OA Rounds
64%
Grant Probability
81%
With Interview (+17.8%)
2y 9m (~0m remaining)
Median Time to Grant
High
PTA Risk
Based on 460 resolved cases by this examiner. Grant probability derived from career allowance rate.

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month