Prosecution Insights
Last updated: August 16, 2026
Application No. 18/426,434

METHOD OF SELECTING SHIMS NEEDED WHEN PERFORMING AN ALIGNMENT OF SHAFTS OF A FIRST MACHINE AND A SECOND MACHINE

Final Rejection §103
Filed
Jan 30, 2024
Priority
Feb 06, 2023 — DE 102023200944.7
Examiner
CONNOLLY, MARK A
Art Unit
2115
Tech Center
2100 — Computer Architecture & Software
Assignee
Aktiebolaget SKF
OA Round
2 (Final)
82%
Grant Probability
Favorable
3-4
OA Rounds
1m
Est. Remaining
91%
With Interview

Examiner Intelligence

Grants 82% — above average
82%
Career Allowance Rate
694 granted / 847 resolved
+26.9% vs TC avg
Moderate +9% lift
Without
With
+9.4%
Interview Lift
resolved cases with interview
Typical timeline
2y 8m
Avg Prosecution
28 currently pending
Career history
866
Total Applications
across all art units

Statute-Specific Performance

§101
6.8%
-33.2% vs TC avg
§103
45.9%
+5.9% vs TC avg
§102
19.5%
-20.5% vs TC avg
§112
18.0%
-22.0% vs TC avg
Black line = Tech Center average estimate • Based on career data from 847 resolved cases

Office Action

§103
CTNF 18/426,434 CTNF 79656 DETAILED ACTION Notice of Pre-AIA or AIA Status 07-03-aia AIA 15-10-aia The present application, filed on or after March 16, 2013, is being examined under the first inventor to file provisions of the AIA. Claims 1-7 have been presented for examination. Claim Rejections - 35 USC § 103 07-20-aia AIA 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. 07-21-aia AIA Claim (s) 1-7 is/are rejected under 35 U.S.C. 103 as being unpatentable over Applicants Admitted Prior Art [AAPA] in view of Pruftechnik, ROTALIGN touch EX: On-board help . Referring to claim 1, the AAPA teaches the method of aligning a shaft of a first machine and a shaft of a second machine [0004] comprising: b) providing a set of shims, each of the shims having a thickness [0016]. c) determining the thickness of each shim in the set of available shims [0016]. d) determining at least one subset of the set of available shims required to provide the total required shim thickness [0016]. e) removing one of the at least one subset of shims from the set of available shims [0015-0016]. f) inserting the one of the at least one subset of shims between the portion of the first machine and the first machine support [0015-0016]. While the AAPA teaches the invention substantially as claimed above, it is not explicitly taught to 1) determine a total required shim thickness needed to raise a portion of the first machine relative to a first machine support to align the shaft of the first machine with the shaft of the second machine; and 2) that the thicknesses of the shims are provided to a processor to automatically determine a subset of the shims to provide the shim thickness to align the first and second machines. With respect to 1), it should be first noted that the AAPA teaches the use of laser alignment methods which provide alignment adjustments with far more speed and accuracy then other methods, but does not explicitly teach that laser alignment provides total required shim thicknesses. Pruftechnik teaches a laser alignment tool which is used to identify a required shim thicknesses for shaft alignment [pgs. 110-112: emphasis on bottom figure on page 111]. In addition, Pruftechnik also identifies shim thicknesses and adjustments for feet as well [pgs. 68-69]. It would have been obvious to include Pruftechnik into the AAPA method because doing so would provide a fast and highly accurate alignment tool which would provide the exact shim thicknesses instead of relying on the trial-and-error process described by the AAPA [0016]. With respect to 2), while the AAAP-Pruftechnik combination teaches determining the required shim thickness, it is not explicitly taught that a computer processor automatically determines a subset of shims required to provide the total shim thickness based on provided thicknesses to the processor that are available. In other words, the AAPA teaches the process of selecting the shims is a manual process versus an automatic process performed by a processor. Automating a manual activity is not a patentable concept. See In re Venner, 262 F.2d 91, 95, 120 USPQ 193, 194 (CCPA 1958) (Appellant argued that claims to a permanent mold casting apparatus for molding trunk pistons were allowable over the prior art because the claimed invention combined “old permanent-mold structures together with a timer and solenoid which automatically actuates the known pressure valve system to release the inner core after a predetermined time has elapsed.” The court held that broadly providing an automatic or mechanical means to replace a manual activity which accomplished the same result is not sufficient to distinguish over the prior art.) [ Emphasis added ]. Therefore, providing a processor for automatically calculating the shims to use based on the determined thickness required instead of mandating that a user determine the combination of shim thickness manually is not a patentably distinct concept as indicated immediately above. Referring to claim 2, the AAPA teaches the need to minimize the number of shims used [0018-0019]. It would have been obvious to one of ordinary skill in the art to limit the number of shims to any “low” value so long as the number of shims use does not become excessive. Therefore, limiting the shims to three would have been obvious to one of ordinary skill in the art before the effective filing date to limit the number of shims to three because it would provide the ability to fine tune the shim thickness without allowing too many shims to be used as cautioned by the AAPA. Referring to claim 3, Pruftechnik teaches that shimming is the result of determined misalignment [116]. Referring to claim 4, both the AAPA and Pruftechnik teach multiple feet that can be shimmed [AAPA: 0016; Pruftechnik pgs. 68-69]. Therefore, steps b-f, which detail which shims are required, removing those shims and inserting the shims, would need to be repeated for each foot that needs to be shimmed. Referring to claim 5, while the AAPA does not explicitly teach replacing the used shims, the examiner is taking official notice that replacing used shims is a well-known concept in the art. Replacing the used shims is necessary because over time, used shims that are not replaced would become unavailable for future alignments and potentially making future alignments impossible. Therefore, it would have been obvious to one of ordinary skill in the art to replace the used shims because it would ensure that all thicknesses are available for future alignment procedures. Referring to claim 6, while the AAPA-Pruftechnik combination teaches inserting shims under the machinery feet [0016], it is not explicitly taught that the shims are inserted simultaneously. It would have been obvious to one of ordinary skill in the art before the effective filing date to try inserting them simultaneously because a person of ordinary skill in the art has good reason to pursue the known options within his or her technical grasp. Because the insertion method only has a limited number of variations (i.e., individually or simultaneously), selecting either of the finite choices would lead to the same predictable solution of the shims being placed under each foot, each which has a reasonable expectation of success of those shims being placed under the feet. Referring to claim 7, the AAPA teaches that the user can use a plurality of different shims [0016-0017, 0019]. This teaches the subset comprises two different subsets. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to MARK A CONNOLLY whose telephone number is (571)272-3666. The examiner can normally be reached Monday-Friday 9am-5pm. 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, Kamini Shah can be reached at 571-272-2279. 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. /MARK A CONNOLLY/Primary Examiner, Art Unit 2115 3/5/26 Application/Control Number: 18/426,434 Page 2 Art Unit: 2115 Application/Control Number: 18/426,434 Page 3 Art Unit: 2115 Application/Control Number: 18/426,434 Page 4 Art Unit: 2115 Application/Control Number: 18/426,434 Page 5 Art Unit: 2115 Application/Control Number: 18/426,434 Page 6 Art Unit: 2115
Read full office action

Prosecution Timeline

Jan 30, 2024
Application Filed
Mar 16, 2026
Non-Final Rejection mailed — §103
Jun 16, 2026
Response Filed
Aug 13, 2026
Final Rejection mailed — §103 (current)

Precedent Cases

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PROCESS KIT ALIGNMENT METHOD FOR IMPROVING SEMICONDUCTOR YIELD
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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
91%
With Interview (+9.4%)
2y 8m (~1m remaining)
Median Time to Grant
Moderate
PTA Risk
Based on 847 resolved cases by this examiner. Grant probability derived from career allowance rate.

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