Prosecution Insights
Last updated: April 19, 2026
Application No. 18/025,286

DEVICE FOR MOVING THROUGH A GRANULAR MEDIUM

Non-Final OA §102
Filed
Mar 08, 2023
Examiner
MEYER, JACOB B
Art Unit
3613
Tech Center
3600 — Transportation & Electronic Commerce
Assignee
Crover Ltd.
OA Round
1 (Non-Final)
74%
Grant Probability
Favorable
1-2
OA Rounds
2y 5m
To Grant
91%
With Interview

Examiner Intelligence

Grants 74% — above average
74%
Career Allow Rate
562 granted / 754 resolved
+22.5% vs TC avg
Strong +17% interview lift
Without
With
+16.8%
Interview Lift
resolved cases with interview
Typical timeline
2y 5m
Avg Prosecution
14 currently pending
Career history
768
Total Applications
across all art units

Statute-Specific Performance

§101
0.2%
-39.8% vs TC avg
§103
42.5%
+2.5% vs TC avg
§102
25.2%
-14.8% vs TC avg
§112
26.2%
-13.8% vs TC avg
Black line = Tech Center average estimate • Based on career data from 754 resolved cases

Office Action

§102
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 . Claim Rejections - 35 USC § 102 In the event the determination of the status of the application as subject to AIA 35 U.S.C. 102 and 103 (or as subject to pre-AIA 35 U.S.C. 102 and 103) is incorrect, any correction of the statutory basis (i.e., changing from AIA to pre-AIA ) for the rejection will not be considered a new ground of rejection if the prior art relied upon, and the rationale supporting the rejection, would be the same under either status. The following is a quotation of the appropriate paragraphs of 35 U.S.C. 102 that form the basis for the rejections under this section made in this Office action: A person shall be entitled to a patent unless – (a)(2) the claimed invention was described in a patent issued under section 151, or in an application for patent published or deemed published under section 122(b), in which the patent or application, as the case may be, names another inventor and was effectively filed before the effective filing date of the claimed invention. Claim(s) 16 is/are rejected under 35 U.S.C. 102(a)(2) as being anticipated by Johnson (US Pat. No. 12,037,185). Regarding claim 16, Johnson discloses A device for sampling granular material from within a granular medium, the device comprising: a body; a rotatable part for rotational movement about a rotational axis (see annotated fig 4g below), the rotatable part being externally-exposed and arranged to cause agitation of an adjacent portion of a granular medium in which the device is to be provided (Abstract); a motor (drive motors 106) configured to cause the rotational movement of the rotatable part to thereby move the device through the granular medium; and a sampling portion operable to selectively capture a sample of granular material from the granular medium for removal from the granular medium (col 9, lines 39-42). PNG media_image1.png 446 614 media_image1.png Greyscale Allowable Subject Matter Claims 7-15, 17-18 and 25-30 are allowed. The following is a statement of reasons for the indication of allowable subject matter: the prior art when taken alone or in combination does not appear to teach or fairly suggest at this time the combination of limitations of independent claim 7 or 14. In particular, there are a limited number of granular medium agitation robots (see references cited). Many of the prior art references include auger shafts or similar to agitate the granular medium (see references cited). However, the prior art does not appear to teach A device for moving through a granular medium, the device comprising: a body; a rotatable part for rotational movement about a rotational axis, the rotatable part being externally-exposed and arranged to cause agitation of an adjacent portion of a granular medium in which the device is to be provided; a motor configured to cause the rotational movement of the rotatable part; and one or more agitating portions provided with the rotatable part to cause the agitation of the adjacent portion of the granular medium, and wherein at a first rotational position of the rotatable part relative to the body, the device is configured such that a first portion of the rotatable part and the one or more agitating portions cause a first degree of agitation in a first region of the granular medium and a second portion of the rotatable part and the one or more agitating portions cause a second degree of agitation in a second region of the granular medium, and at a second rotational position of the rotatable part relative to the body, the first portion of the rotatable part and the one or more agitating portions cause the second degree of agitation in the second region of the granular medium [claim 7]; or A device for moving through a granular medium, the device comprising: a body; a rotatable part for rotational movement about a rotational axis, the rotatable part being externally-exposed and arranged to cause agitation of an adjacent portion of a granular medium in which the device is to be provided; a motor configured to cause the rotational movement of the rotatable part; and one or more agitating portions provided with the rotatable part to cause the agitation of the adjacent portion of the granular medium, wherein the one or more agitating portions is movable relative to an outer surface of the rotatable part in a direction having at least a component normal to the outer surface of the rotatable part to alter a degree of the agitation of the adjacent portion of the granular medium that is caused when the rotatable part is caused to move relative to the granular medium [claim 14]. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to JACOB B MEYER whose telephone number is (571)270-3535. The examiner can normally be reached Monday - Friday 9-7. 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, J Allen Shriver can be reached at 303.297.4337. 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. JACOB B. MEYER Primary Examiner Art Unit 3613 /JACOB B MEYER/Primary Examiner, Art Unit 3613
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Prosecution Timeline

Mar 08, 2023
Application Filed
Dec 16, 2025
Non-Final Rejection — §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

1-2
Expected OA Rounds
74%
Grant Probability
91%
With Interview (+16.8%)
2y 5m
Median Time to Grant
Low
PTA Risk
Based on 754 resolved cases by this examiner. Grant probability derived from career allow rate.

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