Prosecution Insights
Last updated: October 25, 2026
Application No. 18/682,384

Methods and devices for simulating charged-particle transport in an external magnetic field, with applications to radiotherapy planning

Non-Final OA §112
Filed
Feb 08, 2024
Priority
Aug 20, 2021 — EU 21192314.9 +1 more
Examiner
LE, TUNG X
Art Unit
2845
Tech Center
2800 — Semiconductors & Electrical Systems
Assignee
Raysearch Laboratories AB (Publ)
OA Round
1 (Non-Final)
87%
Grant Probability
Favorable
1-2
OA Rounds
0m
Est. Remaining
90%
With Interview

Examiner Intelligence

Grants 87% — above average
87%
Career Allowance Rate
1457 granted / 1675 resolved
+19.0% vs TC avg
Minimal +3% lift
Without
With
+3.3%
Interview Lift
resolved cases with interview
Fast prosecutor
2y 0m
Avg Prosecution
22 currently pending
Career history
1715
Total Applications
across all art units

Statute-Specific Performance

§101
0.2%
-39.8% vs TC avg
§103
38.9%
-1.1% vs TC avg
§102
37.7%
-2.3% vs TC avg
§112
9.7%
-30.3% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1675 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 . This Office Action is in response to the Applicant’s communication filed on February 08, 2024 and the preliminary amendment filed on January 26, 2025. In virtue of this preliminary amendment, claims 1-15 are now pending in the instant application. Priority Receipt is acknowledged of certified copies of papers required by 37 CFR 1.55. Information Disclosure Statement The information disclosure statements (IDS) submitted on 2/8/2024, 2/9/2024, 3/11/2025 and 7/21/2026 are in compliance with the provisions of 37 CFR 1.97. Accordingly, the information disclosure statements are being considered by the examiner. 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. Claim 1 recites the limitation "the unit direction vector" in lines 2-3. There is insufficient antecedent basis for this limitation in the claim. Claim 1 recites the limitation "the duration" in lines 6-7. There is insufficient antecedent basis for this limitation in the claim. Claim 1 recites the limitation "the endpoints" in line 9. There is insufficient antecedent basis for this limitation in the claim. Claims 2-15 are also rejected under 112 second paragraph as being dependent upon rejected claim 1. Allowable Subject Matter Claims 1-15 would be allowable if corrected to overcome the 112 second paragraph rejection set forth above. Conclusion The prior art made of record and not relied upon is considered pertinent to applicant's disclosure. Prior art Balakin – US 11,951,329 Prior art Sijamaki et al. – US 8,009,804 Prior art Janson et al. – US 2023/0211177 Prior art Buchsbaum – US 2017/0157426 Any inquiry concerning this communication or earlier communications from the examiner should be directed to TUNG X LE whose telephone number is (571)272-6010. The examiner can normally be reached Monday to Friday from 10am to 6pm. 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, Alexander H. Taningco can be reached at 571-272-8048. 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. /TUNG X LE/Primary Examiner, Art Unit 2845 August 21, 2026
Read full office action

Prosecution Timeline

Feb 08, 2024
Application Filed
Aug 25, 2026
Non-Final Rejection mailed — §112 (current)

Precedent Cases

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

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Prosecution Projections

1-2
Expected OA Rounds
87%
Grant Probability
90%
With Interview (+3.3%)
2y 0m (~0m remaining)
Median Time to Grant
Low
PTA Risk
Based on 1675 resolved cases by this examiner. Grant probability derived from career allowance rate.

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