Prosecution Insights
Last updated: October 02, 2026
Application No. 18/666,807

PROGRAMMING CONTINUOUS EQUILIBRIUM MOTION IN MULTI-DOF SYSTEMS

Final Rejection §102
Filed
May 16, 2024
Priority
May 18, 2023 — provisional 63/467,429
Examiner
BURKMAN, JESSICA LYNN
Art Unit
3653
Tech Center
3600 — Transportation & Electronic Commerce
Assignee
The Regents of the University of Michigan
OA Round
2 (Final)
82%
Grant Probability
Favorable
3-4
OA Rounds
0m
Est. Remaining
98%
With Interview

Examiner Intelligence

Grants 82% — above average
82%
Career Allowance Rate
179 granted / 218 resolved
+30.1% vs TC avg
Strong +16% interview lift
Without
With
+15.7%
Interview Lift
resolved cases with interview
Fast prosecutor
1y 10m
Avg Prosecution
20 currently pending
Career history
236
Total Applications
across all art units

Statute-Specific Performance

§101
1.8%
-38.2% vs TC avg
§103
42.6%
+2.6% vs TC avg
§102
21.7%
-18.3% vs TC avg
§112
29.9%
-10.1% vs TC avg
Black line = Tech Center average estimate • Based on career data from 218 resolved cases

Office Action

§102
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 . DETAILED ACTION This is a response to an amendment filed July 21st, 2026. By the amendment claims 1, 3-8, 10-15 and 17 are pending with claims 1, 6, 8 and 17 being amended and claims 2, 9, 16, 18 and 19 being cancelled. The applicant’s amendments have overcome the 35 U.S.C 112 rejections as outlined in the pervious Office action. Claim Rejections - 35 USC § 102 The text of those sections of Title 35, U.S. Code not included in this action can be found in a prior Office action. Claim(s) 6-7 is/are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Smith et al. (US 20230101090), hereafter Smith. With regards to claim 6, Smith discloses A method of configuring a continuous equilibrium system comprising (Abstract): providing a plurality of structural members (202a-d) pivotally coupled together at a plurality of pivot joints (204a-d) and reconfigurable at least in response to gravity; determining a potential energy of the plurality of structural members as a result of gravity (P0103L41-49); calculating spring properties for springs located at one or more of the plurality of pivot joints to offset gravity that is operable to maintain a constant potential energy of the system irrespective of orientation in three-dimensional space (P0103, L62-72); and mounting the springs (206a-c) to the one or more plurality of pivot joints according to the calculated spring properties, wherein the plurality of structural members include a plurality of panels (202a-c) connected by rotational hinges (Fig. 2C). With regards to claim 7, Smith discloses all the elements of claim 6 as outlined above. Smith further discloses wherein the springs are torsion springs (P0069) connected to adjacent panels about an axis of the respective hinges (Fig. 2C). With regards to claim 17, Smith discloses all the elements of claim 6 as outlined above. Smith further discloses wherein the system is a panel system of an architectural device (exoskeleton 100). Allowable Subject Matter Claims 1, 3-5, 8 and 10-15 are allowable. Claim 1 is allowable for disclosing wherein the system is an excavator arm and the plurality of structural members include a boom, an arm and a bucket. Smith details the use of springs in the manner recited in claim one for robotic systems. There is no teaching or suggestion in the prior art of using springs in this manner in an excavator. Independent claim 8 is allowable for disclosing wherein the system is a “kirigami structure.” Although kirigami structures are known in other arts (See US 20170224856, US 20190232598, and US 11904585), there is no teaching or suggestion in the prior art that would render it obvious to a person with ordinary skill in the art before the effective filing date of the invention to add springs to kirigami structures as recited. Claims 3-5 and 10-15 are allowable by virtue of their dependencies. Conclusion Applicant's amendment necessitated the new ground(s) of rejection presented in this Office action. Accordingly, THIS ACTION IS MADE FINAL. See MPEP § 706.07(a). Applicant is reminded of the extension of time policy as set forth in 37 CFR 1.136(a). A shortened statutory period for reply to this final action is set to expire THREE MONTHS from the mailing date of this action. In the event a first reply is filed within TWO MONTHS of the mailing date of this final action and the advisory action is not mailed until after the end of the THREE-MONTH shortened statutory period, then the shortened statutory period will expire on the date the advisory action is mailed, and any nonprovisional extension fee (37 CFR 1.17(a)) pursuant to 37 CFR 1.136(a) will be calculated from the mailing date of the advisory action. In no event, however, will the statutory period for reply expire later than SIX MONTHS from the mailing date of this final action. /J.L.B./Examiner, Art Unit 3653 /MICHAEL MCCULLOUGH/Supervisory Patent Examiner, Art Unit 3653
Read full office action

Prosecution Timeline

May 16, 2024
Application Filed
Jul 10, 2024
Response after Non-Final Action
Apr 21, 2026
Non-Final Rejection mailed — §102
Jul 21, 2026
Response Filed
Sep 03, 2026
Final Rejection mailed — §102 (current)

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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
82%
Grant Probability
98%
With Interview (+15.7%)
1y 10m (~0m remaining)
Median Time to Grant
Moderate
PTA Risk
Based on 218 resolved cases by this examiner. Grant probability derived from career allowance rate.

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