Prosecution Insights
Last updated: August 13, 2026
Application No. 18/675,569

LITHOTRIPTER WITH DETECTION OF KIDNEY STONES

Non-Final OA §112
Filed
May 28, 2024
Priority
Jun 05, 2023 — EU 23177330.0
Examiner
ROY, BAISAKHI
Art Unit
3797
Tech Center
3700 — Mechanical Engineering & Manufacturing
Assignee
Storz Medical AG
OA Round
3 (Non-Final)
78%
Grant Probability
Favorable
3-4
OA Rounds
1y 7m
Est. Remaining
96%
With Interview

Examiner Intelligence

Grants 78% — above average
78%
Career Allowance Rate
528 granted / 680 resolved
+7.6% vs TC avg
Strong +19% interview lift
Without
With
+18.6%
Interview Lift
resolved cases with interview
Typical timeline
3y 9m
Avg Prosecution
22 currently pending
Career history
706
Total Applications
across all art units

Statute-Specific Performance

§101
7.6%
-32.4% vs TC avg
§103
53.9%
+13.9% vs TC avg
§102
12.2%
-27.8% vs TC avg
§112
15.6%
-24.4% vs TC avg
Black line = Tech Center average estimate • Based on career data from 680 resolved cases

Office Action

§112
DETAILED ACTION 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and the fee set forth in 37 CFR 1.17(e) has been timely paid, the finality of the previous Office action has been withdrawn pursuant to 37 CFR 1.114.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 5/15/2026 has been entered. In view of the Response, the 103 Rejection is withdrawn. However, in view of the amendments and lack of clarity issues, a 112(b) Rejection is set forth below. Claim Rejections - 35 USC § 112 The following is a quotation of 35 U.S.C. 112(b): (b) CONCLUSION.—The specification shall conclude with one or more claims particularly pointing out and distinctly claiming the subject matter which the inventor or a joint inventor regards as the invention. The following is a quotation of 35 U.S.C. 112 (pre-AIA ), second paragraph: The specification shall conclude with one or more claims particularly pointing out and distinctly claiming the subject matter which the applicant regards as his invention. Claims 1-18 are rejected under 35 U.S.C. 112(b) or 35 U.S.C. 112 (pre-AIA ), second paragraph, as being indefinite for failing to particularly point out and distinctly claim the subject matter which the inventor or a joint inventor (or for applications subject to pre-AIA 35 U.S.C. 112, the applicant), regards as the invention. Claim 1 has been amended to “generate a video signal containing a sequence of images of a body representing only ultrasound imaging data acquired with the use of the ultrasound source or the shockwave source”. It is not clear how the ultrasound imaging data is acquired with the use of the ultrasound therapy source or the shockwave source. Clearly the ultrasound therapy source or shockwave source is used to administer the therapy and not used to acquire the ultrasound imaging data. The claim language lacks clarity with respect to distinguishing between the ultrasound therapy system and the ultrasound imaging system. Under broadest reasonable interpretation of the application disclosure, the system ultrasound imaging transducer to generate a video signal with a neural network that analyzes the signal to detect a kidney and/or a kidney stone and once it is detected, the system marks the kidney or kidney stone on the displayed image. The position and orientation of the region of interest is then sent to the controller which positions the shockwave or ultrasound therapy source so the that the stone is in focus for treatment. Therefore, the claim language should distinguish between ultrasound therapy/shockwave source and ultrasound imaging transducer where the ultrasound image generated by the imaging transducer is processed with a neural network to detect the position of the kidney stone, which is then used to position the ultrasound therapy/shockwave source relative to the focal region to administer therapy. Therefore, line 2 should be modified to “ultrasound therapy source” to distinguish between ultrasound imaging system and the ultrasound therapy system and lines 4-6 of claim 1 should be modified such that it does not recite that the ultrasound imaging data is acquired with the use of the ultrasound therapy/shockwave source as the image data is acquired using the ultrasound imaging system or the ultrasound imaging transducer. Claim 1 has been modified to “generate a video signal containing a sequence of images of a body representing only ultrasound imaging data”. Claim 1 therefore limits the system to only ultrasound imaging data. Claim 18 however recites “imaging system comprises…an X-ray imaging system”. It is not clear how the system is also compatible “X-ray imaging system” when claim 1 limited the system to “only ultrasound imaging data”. It is suggested claim 18 be modified to specifically the “imaging system comprises an ultrasound transducer for ultrasonic imaging”. Claims 4-6 and 16 recite “concernment” whereas claim 1 has been amended to “concrement”. Therefore, the claims appear to recite both terms and lacks clarity and is considered indefinite. It is suggested the claims recite consistently the same terminology referring to the same detector with support from the specification. The dependent claims do not provide additional clarity and therefore stand rejected under 112(b). Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to BAISAKHI ROY whose telephone number is (571)272-7139. The examiner can normally be reached Monday-Friday 7-3 EST. 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, Christopher Koharski can be reached at 571-272-7230. 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. BR /BAISAKHI ROY/Primary Examiner, Art Unit 3797
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Prosecution Timeline

Show 1 earlier event
Jun 16, 2025
Non-Final Rejection mailed — §112
Sep 16, 2025
Response after Non-Final Action
Sep 16, 2025
Response Filed
Dec 15, 2025
Final Rejection mailed — §112
May 15, 2026
Request for Continued Examination
May 20, 2026
Response after Non-Final Action
Jun 17, 2026
Non-Final Rejection mailed — §112
Aug 04, 2026
Response Filed

Precedent Cases

Applications granted by this same examiner with similar technology

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Patent 12678118
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Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

3-4
Expected OA Rounds
78%
Grant Probability
96%
With Interview (+18.6%)
3y 9m (~1y 7m remaining)
Median Time to Grant
High
PTA Risk
Based on 680 resolved cases by this examiner. Grant probability derived from career allowance rate.

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