Prosecution Insights
Last updated: July 17, 2026
Application No. 17/777,675

APPARATUS, ASSEMBLY AND METHOD FOR CONTROLLING AN ACTUATING SYSTEM OF AN AIRCRAFT IN AN OPEN-LOOP AND CLOSED-LOOP MANNER

Non-Final OA §112
Filed
May 18, 2022
Priority
Nov 19, 2019 — DE 10 2019 008 153.6 +1 more
Examiner
SILVA, MICHAEL THOMAS
Art Unit
3663
Tech Center
3600 — Transportation & Electronic Commerce
Assignee
Technische Universität Berlin
OA Round
5 (Non-Final)
32%
Grant Probability
At Risk
5-6
OA Rounds
0m
Est. Remaining
53%
With Interview

Examiner Intelligence

Grants only 32% of cases
32%
Career Allowance Rate
34 granted / 105 resolved
-19.6% vs TC avg
Strong +21% interview lift
Without
With
+21.0%
Interview Lift
resolved cases with interview
Typical timeline
3y 5m
Avg Prosecution
44 currently pending
Career history
166
Total Applications
across all art units

Statute-Specific Performance

§101
0.3%
-39.7% vs TC avg
§103
94.5%
+54.5% vs TC avg
§102
1.2%
-38.8% vs TC avg
§112
3.8%
-36.2% vs TC avg
Black line = Tech Center average estimate • Based on career data from 105 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 1. 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and the fee set forth in 37 CFR 1.17(e) has been timely paid, the finality of the previous Office action has been withdrawn pursuant to 37 CFR 1.114.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 2/20/2026 has been entered. Response to Amendment 2. Claims 1-3, 5-11, and 13-14 are currently pending. 3. Claims 4 and 12 are canceled. 4. Claims 1, 6, and 13 are currently amended. Claim Rejections - 35 USC § 112 The following is a quotation of the first paragraph of 35 U.S.C. 112(a): (a) IN GENERAL.—The specification shall contain a written description of the invention, and of the manner and process of making and using it, in such full, clear, concise, and exact terms as to enable any person skilled in the art to which it pertains, or with which it is most nearly connected, to make and use the same, and shall set forth the best mode contemplated by the inventor or joint inventor of carrying out the invention. 5. Claims 1-3, 5-11, and 13-14 are rejected under 35 U.S.C. 112(a) or 35 U.S.C. 112 (pre-AIA ), first paragraph, as failing to comply with the written description requirement. The claim(s) contains subject matter which was not described in the specification in such a way as to reasonably convey to one skilled in the relevant art that the inventor or a joint inventor, or for applications subject to pre-AIA 35 U.S.C. 112, the inventor(s), at the time the application was filed, had possession of the claimed invention. Any claim not specifically mentioned, including Claims 2-3, 5-11, and 14 have been included based on its dependency. 6. The limitation in Claim 1 with new matter recites: “the reference variable is determined in an outer control loop of the control system for controlling the aircraft, the outer control loop comprising a flight control device, the flight control device receiving an outer-control-loop reference variable and an outer-control-loop controlled variable and determining therefrom an outer-control-loop manipulated variable, the outer- control-loop manipulated variable being the reference variable indicated by the first input data; the outer-control-loop reference variable describes a target flight status of the aircraft; the outer-control-loop controlled variable describes an actual flight status of the aircraft.” The Applicant has not specifically pointed out where the amended claim is supported, nor does there appear to be a written description of the amended claim limitation in the application filed. The amendment narrows the determination of the reference variable by determining in an outer control loop comprising a flight control device receiving an outer-control-loop reference variable and outer-control-loop controlled variable to determine an outer-control-loop manipulated variable. Additionally, the amendment narrows that the outer-control-loop reference variable describes a target flight status and the outer-control-loop controlled variable describes an actual flight status. The specification explains that a reference variable for controlling an actuator of an aircraft is determined in an outer control loop and the outer control loop comprises a reference variable and manipulated variable. One of ordinary skill in the art would recognize that the outer control loop comprises the references variable and manipulated variable, but does not determine the manipulated variable from the outer-control-loop controlled variable. Additionally, one of ordinary skill in the art would recognize that the reference variable is calculated as a function of an actual flight status and target flight status, but does not describe a target flight status or actual flight status. Describing a flight status is broader than calculating a variable as a function of the flight statuses and is therefore not supported by the specification. As such, there is no indication in the specification that the invention had possession of amendments to Claim 1. 7. Claim 13 has the same limitations as Claim 1 except for they are separate independent claims but are rejected for the same reasoning. Response to Arguments 8. Applicant’s arguments, see Pages 8-9, filed 2/20/2026, with respect to the U.S.C 103 rejections have been fully considered and are persuasive. The U.S.C 103 rejections of Claims 1-3, 5-11, and 13-14 has been withdrawn. Allowable Subject Matter 9. Claims 1 and 13 would be allowable if rewritten or amended to overcome the rejection(s) under 35 U.S.C. 112(a), set forth in this Office action. 10. Claims 2-3, 5-11, and 14 are objected to as being dependent upon a rejected base claim, but would be allowable if the independent claims are rewritten or amended to overcome their own rejections. 11. The following is a statement of reasons for the indication of allowable subject matter: Independent Claim 1 contains allowable subject matter as the closest prior art references do not teach or render an obvious combination for the following limitations: "the reference variable is determined in an outer control loop of the control system for controlling the aircraft, the outer control loop comprising a flight control device, the flight control device receiving an outer-control-loop reference variable and an outer-control-loop controlled variable and determining therefrom an outer-control-loop manipulated variable, the outer-control-loop manipulated variable being the reference variable indicated by the first input data” and “the device provides closed-loop control of the actuating system by determining, using the reference variable and the controlled variable, the manipulated variable from the difference between the reference variable and the controlled variable, wherein the device is configured to determine the manipulated variable without considering an actual actuator position of the actuating system, and without determining a target actuator position of the actuating system.” Independent Claim 13 contains allowable subject matter as the closest prior art references do not teach or render an obvious combination for the following limitations: " the reference variable is determined by the flight control device, the flight control device receiving an outer-control-loop reference variable describing a target flight status of the aircraft and an outer-control-loop controlled variable describing an actual flight status of the aircraft, and determining from the outer-control-loop reference variable and the outer-control-loop controlled variable an outer-control-loop manipulated variable as the reference variable indicated by the first input data” and “determining a manipulated variable for an actuating system of the aircraft taking into account the reference variable and the controlled variable from the difference between the reference value and the controlled variable without considering an actual actuator position of the actuating system, and without determining a target actuator position of the actuating system.” Conclusion 12. Any inquiry concerning this communication or earlier communications from the examiner should be directed to MICHAEL T SILVA whose telephone number is (571)272-6506. The examiner can normally be reached Mon-Tues: 7AM - 4:30PM ET; Wed-Thurs: 7AM-6PM ET; Fri: OFF. 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, Angela Ortiz can be reached at 571-272-1206. 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. /MICHAEL T SILVA/Examiner, Art Unit 3663
Read full office action

Prosecution Timeline

Show 8 earlier events
Jul 02, 2025
Examiner Interview Summary
Jul 15, 2025
Response Filed
Oct 01, 2025
Final Rejection mailed — §112
Feb 20, 2026
Request for Continued Examination
Mar 05, 2026
Response after Non-Final Action
Apr 23, 2026
Non-Final Rejection mailed — §112
Jul 16, 2026
Examiner Interview Summary
Jul 16, 2026
Applicant Interview (Telephonic)

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

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Prosecution Projections

5-6
Expected OA Rounds
32%
Grant Probability
53%
With Interview (+21.0%)
3y 5m (~0m remaining)
Median Time to Grant
High
PTA Risk
Based on 105 resolved cases by this examiner. Grant probability derived from career allowance rate.

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