Prosecution Insights
Last updated: October 02, 2026
Application No. 18/343,521

Forage Harvester

Non-Final OA §102§103§112
Filed
Jun 28, 2023
Priority
Jul 13, 2022 — GB 2210281.8
Examiner
RUNCO, MADELINE IVY
Art Unit
3671
Tech Center
3600 — Transportation & Electronic Commerce
Assignee
AGCO International GmbH
OA Round
3 (Non-Final)
77%
Grant Probability
Favorable
3-4
OA Rounds
0m
Est. Remaining
86%
With Interview

Examiner Intelligence

Grants 77% — above average
77%
Career Allowance Rate
210 granted / 272 resolved
+25.2% vs TC avg
Moderate +9% lift
Without
With
+8.7%
Interview Lift
resolved cases with interview
Typical timeline
2y 11m
Avg Prosecution
31 currently pending
Career history
290
Total Applications
across all art units

Statute-Specific Performance

§103
45.1%
+5.1% vs TC avg
§102
32.0%
-8.0% vs TC avg
§112
22.1%
-17.9% vs TC avg
Black line = Tech Center average estimate • Based on career data from 272 resolved cases

Office Action

§102 §103 §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 . 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 2 is rejected under 35 U.S.C. 112(b) or 35 U.S.C. 112 (pre-AIA ), second paragraph, as being indefinite for failing to particularly point out and distinctly claim the subject matter which the inventor or a joint inventor (or for applications subject to pre-AIA 35 U.S.C. 112, the applicant), regards as the invention. Claim 2 recites the limitation "the first roller pulley" in line 3. There is insufficient antecedent basis for this limitation in the claim. Claim Rejections - 35 USC § 102 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)(1) the claimed invention was patented, described in a printed publication, or in public use, on sale, or otherwise available to the public before the effective filing date of the claimed invention. Claims 1-2, 5 are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Clauss (DE 102014219049 A1). Regarding claim 1, Clauss discloses a forage harvester (10) cracker unit drive assembly (see fig. 3) for driving a first cracker roller (28) and a second cracker roller (28’), the drive assembly comprising a drive pulley (60), a tension pulley (126), a first cracker pulley (86) associated with the first cracker roller, a second cracker pulley (84) associated with the second cracker roller, a guide pulley (130), and a drive belt (62) drivingly connecting each of these pulleys, the drive assembly further comprising a guide pulley adjustment apparatus (132, 140) for adjusting the position of the guide pulley with respect to the second cracker pulley, wherein the guide pulley adjustment apparatus comprises a rotatable body (134) comprising a first axial portion connected to a first side of a central region of the rotatable body and a second axial portion connected to a second side of the central region, the guide pulley being mounted for rotation about the second axial portion; and wherein a central axis of the first axial portion and a central axis of the second axial portion are offset from one another such that rotation of the guide pulley adjustment apparatus between a first position and a second position about the central axis of the first axial portion displaces the guide pulley about a pivot axis which is offset from the axis of rotation of the guide pulley such that moving the adjustment apparatus from the first position to the second position causes the guide pulley to increase a circumferential contact area of the drivebelt with the second cracker pulley (see fig. 3-4). Regarding claim 5, Clauss discloses a forage harvester (10) comprising a forage harvester frame (see fig. 1-2) and a forage harvester cracker unit (28, 28’) including a cracker unit drive assembly of claim 1, wherein the guide pulley adjustment apparatus is mounted to the forage harvester frame. Claim Rejections - 35 USC § 103 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. Claims 1, 5-6 are rejected under 35 U.S.C. 103 as being unpatentable over Van Vooren (US 20060089223 A1) in view of Baljozovic (US 11353092 B2). Regarding claim 1, Van Vooren discloses a forage harvester (not shown, paragraph 0015) cracker unit drive assembly for driving a first cracker roller (not shown, paragraph 0016) and a second cracker roller (not shown, paragraph 0016), the drive assembly comprising a drive pulley (18), a tension pulley (12), a first cracker pulley (14) associated with the first cracker roller, a second cracker pulley (16) associated with the second cracker roller, a guide pulley (20), and a drive belt (10) drivingly connecting each of these pulleys, the drive assembly further comprising a guide pulley adjustment apparatus (belt tensioning mechanism 28, 22, 24, 46, 50) for adjusting the position of the guide pulley with respect to the second cracker pulley (paragraphs 17-22). Van Vooren does not disclose wherein the guide pulley adjustment apparatus comprises a rotatable body comprising a first axial portion connected to a first side of a central region of the rotatable body and a second axial portion connected to a second side of the central region, the guide pulley being mounted for rotation about the second axial portion; and wherein a central axis of the first axial portion and a central axis of the second axial portion are offset from one another such that rotation of the adjustment apparatus about the central axis of the first axial portion displaces the guide pulley about a pivot axis which is offset from the axis of rotation of the guide pulley such that moving the adjustment apparatus causes the guide pulley to increase a circumferential contact area of the drivebelt with the second cracker pulley (see fig. 1-2). Baljozovic discloses a pulley (120) and a pulley adjustment apparatus comprising a rotatable body (114) comprising a first axial portion (114c) connected to a first side of a central region of the rotatable body and a second axial portion (114a) connected to a second side of the central region, the guide pulley being mounted for rotation about the second axial portion; and wherein a central axis of the first axial portion and a central axis of the second axial portion are offset from one another such that rotation of the adjustment apparatus about the central axis of the first axial portion displaces the guide pulley about a pivot axis which is offset from the axis of rotation of the guide pulley (see fig. 5, col. 6 lines 34-56). It would have been obvious to one of ordinary skill in the art, before the effective filing date of the claimed invention, to have replaced the guide pulley adjustment apparatus of Van Vooren for that of Baljozovic, as they are art recognized equivalent means of adjusting the tension of a belt via a pulley. Regarding claim 5, Van Vooren, of the resultant combination, discloses a forage harvester (not shown, paragraph 0015) comprising a forage harvester frame (40) and a forage harvester cracker unit (not shown, paragraph 0016) including a cracker unit drive assembly of claim 1, wherein the guide pulley adjustment apparatus is mounted to the forage harvester frame. Regarding claim 6, Baljozovic, of the resultant combination, discloses a method of adjusting the circumferential contact area of a drivebelt with the second cracker pulley in a forage harvester cracker unit drive assembly according to claim 1 comprising the steps of releasing the guide pulley adjustment apparatus, adjusting the angular position of the guide pulley with respect to the second cracker pulley and securing the guide pulley apparatus in position (col. 6 lines 34-56, fastener 130 allows the tensioning assembly to release the tensioner for angular adjustment before resecuring). Response to Arguments Applicant’s arguments have been considered but are moot because a new grounds of rejection is being applied utilizing a new interpretation of the prior art references in light of the claim amendments. Please see the above rejections for further details. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to MADELINE RUNCO whose telephone number is (469)295-9123. The examiner can normally be reached 8-4:30 M-F. 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, Tara Schimpf can be reached at (571) 270-7741. 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. /MADELINE I RUNCO/ Examiner, Art Unit 3671
Read full office action

Prosecution Timeline

Jun 28, 2023
Application Filed
Dec 10, 2025
Non-Final Rejection mailed — §102, §103, §112
Feb 26, 2026
Response Filed
Jun 02, 2026
Final Rejection mailed — §102, §103, §112
Aug 11, 2026
Request for Continued Examination
Aug 14, 2026
Response after Non-Final Action
Sep 15, 2026
Non-Final Rejection mailed — §102, §103, §112 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12745705
DUAL GRAIN CAM
2y 10m to grant Granted Sep 29, 2026
Patent 12733578
A MATERIAL PROCESSING BARREL AND ASSOCIATED MATERIAL PROCESSING SYSTEM
4y 5m to grant Granted Sep 15, 2026
Patent 12708067
MOWER
2y 2m to grant Granted Aug 18, 2026
Patent 12696837
RIDING-TYPE MOWING APPARATUS INCLUDING HEIGHT ADJUSTMENT PART OF MOWER UNIT
2y 10m to grant Granted Aug 04, 2026
Patent 12690520
MOBILE HARVESTING SYSTEM AND METHOD
3y 1m to grant Granted Jul 28, 2026
Study what changed to get past this examiner. Based on 5 most recent grants.

Strategy Recommendation AI-generated — please review before filing

Get a prosecution strategy drawn from examiner precedents, rejection analysis, and claim mapping.
Typically takes 5-10 seconds — AI-generated, attorney review required before filing

Prosecution Projections

3-4
Expected OA Rounds
77%
Grant Probability
86%
With Interview (+8.7%)
2y 11m (~0m remaining)
Median Time to Grant
High
PTA Risk
Based on 272 resolved cases by this examiner. Grant probability derived from career allowance rate.

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month