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Trends in Semiconductor Industry Patent Prosecution and Litigation 2017

Jones Day

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USA February 23 2017

As semiconductor firms continue to make significant investments in research and development activities--totaling $34 billion in 2015, according to one calculation--it follows that industry participants will engage in actions necessary to protect the inventions and technological advances produced by those efforts. This Jones Day White Paper reviews patent prosecution and litigation trends in the semiconductor industry. The White Paper concludes with a summary of what semiconductor industry participants can expect relating to patent matters in the months ahead.

"Intellectual property is the lifeblood of the semiconductor industry."1 Since 1948, when William Shockley applied for a patent on his junction transistor,2 semiconductor patents may well have contributed as much to the evolution of the industry as the very inventions they protect. Indeed, the conventional wisdom is that the continued success of the industry depends "on a strong and balanced patent system."3

foundries, Qualcomm and Broadcom are often identified as examples of fabless firms, and Intel and Samsung are usually labeled as integrated device manufacturers. Of course, this rather simplistic breakdown overlooks the contributions of firms that provide equipment, services, and software to the semiconductor industry, such as Applied Materials and Synopsys. Figure 1 represents a list of the 20 largest firms, based on semiconductor sales in the first half of 2016.

Recently, there has been a significant upward trend in merger and acquisition activity in the sector, as illustrated by Figure 2. For example, from 2011 through 2014, there were only about 15 deals per year that averaged roughly $1.3 billion each. A dramatic increase in 2015 occurred, with 23 deals at an average value of $4.3 billion through just the first three quarters of that year.7 While 2016 may not surpass the previous year, it was still a significant year for merger activity, including Qualcomm's announced acquisition of NXP for $47 billion, and Analog Devices' announced acquisition of Linear Technology for $14.8 billion.

On average, semiconductor industry firms invest one-fifth of their revenue in research and development.4 In 2015, that investment totaled $34 billion.5 For at least the near future, industry leaders expect to continue to increase research and development spending.6 Naturally, companies strive to protect the inventions resulting from the expenditure of such substantial sums. To that end, the United States Patent and Trademark Office ("USPTO") issued nearly 22,000 semiconductor patents in 2015.

The semiconductor industry is sometimes described as being composed of three types of companies: (i) foundries, or "fabs," that manufacture semiconductors, (ii) "fabless" companies that design semiconductors and partner with a foundry for their manufacture, and (iii) integrated device manufacturers that both design and fabricate their own semiconductors. Companies like TSMC and GlobalFoundries are examples of

Figure 1: Top 20 in Semiconductor Sales (1H 2016)8

1 Intel 2 Samsung 3 TSMC 4 Broadcom 5 Qualcomm 6 SK Hynix 7 TI 8 Micron 9 Toshiba 10 NXP 11 MediaTek 12 Infineon 13 ST 14 Apple 15 Global Foundries 16 Renesas 17 Nvidia 18 Sony 19 UMC 20 AMD

Jones Day White Paper

2

Figure 2: Value of Semiconductor M&A Agreements

$103.8B

$79.1B in first three quarters

of the year.

$55.3B

$7.7B

$17.0B

$9.5B

$11.5B

$16.9B

2010 2011 2012

*As of mid-September 2016. Source: IC Insights

2013

2014

2015

2016*

PATENT PROSECUTION

Over the past 10 years, the number of semiconductor patents granted increased by 50 percent. As Figure 3 illustrates, this included a 30 percent spike in 2010 alone. Around that time, the USPTO reduced total pendency, which is measured by the time from filing to disposition, but that factor alone does not account for the sustained increase in patented inventions. The increase in grants is more likely the result of the twofold increase in research and development expenditures over the last decade.9

The top semiconductor patentees in 2015, listed in Figure 4, are a diverse mix of entities from around the globe. TSMC, the leader, received 1,298 semiconductor patents in 2015, nearly four times the 345 patents received in 2011. IBM received 1,058 patents in 2015, the year it divested its chip-making business, which is roughly the same number it received in 2011. Samsung Electronics received 939 patents in 2015, slightly less than the 1,122 patents it was granted in 2011. Samsung Display, a spinoff established in 2012, received 779 patents in 2015. Semiconductor Energy Laboratory received 761 patents in 2015, roughly a 50 percent increase over the 491 patents received in 2011.

Figure 3: Semiconductor Devices and Manufacturing U.S. Patents Granted10

25000

20000

15000

10000

5000 0 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015

Jones Day White Paper

3

Figure 4: Semiconductor Devices and Manufacturing U.S. Patents Granted (2015)11

Taiwan Semiconductor Manufacturing Co., Ltd. International Business Machines Corporation Samsung Electronics Co., Ltd. Samsung Display Co., Ltd. Semiconductor Energy Laboratory Co., Ltd. Toshiba Corporation GlobalFoundries Inc. Micron Technology, Inc. SK Hynix Inc. Infineon Technologies AG Renesas Electronics Corp. Freescale Semiconductor, Inc. Sony Corporation Applied Materials, Inc. Intel Corporation United Microelectronics Corporation Tokyo Electron Limited LG Display Co., Ltd. Panasonic Intellectual Property Management Co., Ltd. Texas Instruments Incorporated LG Innotek Co., Ltd. Canon Kabushiki Kaisha Sharp Kabushiki Kaisha (Sharp Corporation) Macronix International Co., Ltd. Stats Chippac Ltd. Mitsubishi Denki Kabushiki Kaisha Intermolecular Inc. Osram Opto Semiconductors GMBH Qualcomm, Inc. Rohm Co., Ltd. Commissariat a L'Energie Atomique et Aux Energies Alternatives Infineon Technologies Austria AG Boe Technology Group Co., Ltd. Sumitomo Electric Industries, Ltd.

1298 1058 939 779 761 749 442 437 398 314 311 263 261 250 234 215 204 198 185

182 167 162 159 153 150 143 136 129 125 122 122

121 110 103

DISTRICT COURT LITIGATION

District court litigation involving semiconductor patents increased from 79 suits in 2008 to a peak of 141 in 2013, as illustrated in Figure 5. The dramatic dip in suits filed in 2009 is likely attributable to the economic recession of 2008. After declining in 2014 and 2015 to around 70 cases per year, district court cases are once again on the rise, with more than 100 suits filed in 2016.

Semiconductor patent litigation suits are mainly concen trated in a few districts. In 2016, just five districts handled three-fourths of the suits that were filed--E.D. Texas (30), District of Delaware (23), C.D. California (12), S.D. California (9), and N.D. California (9).

Figure 6 lists the semiconductor plaintiffs in district court litigation since 2012, and Figure 7 lists the defendants. In the past five years, the most litigious plaintiffs were Boston University (43 suits), Semcon Tech (23), North Star Innovations (18), and Bluestone Innovations (16). Parties defending the most semiconductor patent infringement suits during that time included Samsung (18), Toshiba (11), Vizio (10), Acer (9), and LG Electronics (9).

Figure 5: U.S. District Court Cases--Semiconductor Devices12

140

130

120

110

100

90

80

70 141

60 126 120 50 94

109

40 79

30 51

20

71 68

10

0 2008 2009 2010 2011 2012 2013 2014 2015 2016

Figure 6: U.S. District Court Cases--Semiconductor Plaintiffs (201216)13

Plaintiff

Suits

Trustees of Boston University

43

Semcon Tech, LLC

23

North Star Innovations Inc.

18

Bluestone Innovations LLC

16

Nichia Corporation

13

Graphics Properties Holdings, Inc.

12

CpuMate Inc.

11

Golden Sun News Techniques Co., Ltd.

11

continued on next page

Jones Day White Paper

4

Figure 6: U.S. District Court Cases--Semiconductor Plaintiffs (201216)13

Plaintiff Anza Technology, Inc. Rockstar Consortium US LP Round Rock Research LLC Bitro Group, Inc. Collabo Innovations, Inc. MobileStar Technologies LLC Super Interconnect Technologies LLC Koninklijke Philips NV Mariner IC Inc. Joseph Neev Lone Star Silicon Innovations LLC Philips Lighting North America Corporation Solid State Storage Solutions, Inc. Philips Solid-State Lighting Solutions, Inc. In-Depth Test LLC Tela Innovations, Inc. Cree, Inc. DSS Technology Management, Inc.

Suits 9 7 7 7 7 7 7 6 6 6 6 5 5 5 5 5 5 5

Figure 7: U.S. District Court Cases--Semiconductor Defendants (201216)14

Defendant

Suits

Samsung Electronics Co., Ltd.

18

Samsung Electronics America, Inc.

17

Samsung Semiconductor, Inc.

12

Toshiba Corporation

11

Samsung Austin Semiconductor, LLC

10

VIZIO, Inc.

10

Acer America Corporation

9

Acer Inc.

9

LG Electronics, Inc.

9

LG Electronics USA, Inc.

9

Sony Electronics, Inc.

8

Toshiba America, Inc.

8

Micron Technology, Inc.

7

ASUSTeK Computer Inc.

7

Sony Corporation

6

GBT, Inc.

6

Giga-Byte Technology Co., Ltd.

6

Toshiba America Electronic Components, Inc.

6

Texas Instruments Incorporated

5

continued in next column

Figure 7: U.S. District Court Cases--Semiconductor Defendants (201216)14

Defendant IKEA North America Services LLC HTC America, Inc. Toshiba America Information Systems, Inc. Sony Corporation of America Canon USA, Inc. OmniVision Technologies, Inc. Intel Corporation Apple Inc.

Suits 5 5 5 5 5 5 5 5

PATENT TRIAL AND APPEAL BOARD

As Figure 8 illustrates, more than 200 petitions have been filed relating to semiconductor patents since the inter partes review procedure ("IPR") launched in 2012. In 2015 and 2016, IPR petitions were filed at a level slightly lower than the number of suits filed in district court.

The PTAB instituted review on 68 percent of petitions filed on semiconductor patents on decisions issued through the end of 2016. This is comparable to the average institution rate for all patents.

At least some claims in IPRs involving semiconductor patents were found unpatentable in 97 percent of final written decisions issued by the end of 2016. This outcome is higher than the overall 84 percent unpatentable rate in decisions for all patents.

Figure 9 lists the petitioners for IPRs of semiconductor patents since 2012, and Figure 10 lists the most active semiconductor patent owners. The most active petitioners included Samsung (34 petitions), Micron Technology (28), TSMC (18), and SK Hynix (16). Patent owners most frequently defending their semiconductor patents in IPR proceedings included Daniel Flamm (18), Elm 3DS Innovations (16 petitions), Godo Kaisha IP Bridge (12), Cree (11), and DSS Technology Management (10).

Jones Day White Paper

5

Figure 8: Inter Partes Review Proceedings--Semiconductor Devices15

80

70

60 87

50

40 30 63

20 28

10 22 12

0 2008 2009 2010 2011 2012 2013 2014 2015 2016

Figure 9: Inter Partes Review Proceedings--Semiconductor Petitioners (201216)16

Petitioner

IPRs

Samsung Electronics Co., Ltd.

34

Samsung Electronics America, Inc.

28

Micron Technology, Inc.

28

Samsung Semiconductor, Inc.

25

Samsung Austin Semiconductor, LLC

22

Taiwan Semiconductor Manufacturing Company, Ltd. 18

SK hynix Memory Solutions, Inc.

16

SK hynix America Inc.

16

Hynix Semiconductor Manufacturing America, Inc.

16

SK hynix, Inc.

16

Micron Semiconductor Products, Inc.

16

Micron Consumer Products Group, Inc. d/b/a Lexar 15

GLOBALFOUNDRIES Inc.

11

Intel Corporation

11

GLOBALFOUNDRIES US, Inc.

11

Lam Research Corporation

9

SunLED Co. LLC

8

Kingbright Co. LLC

8

SunLED Corp.

8

Kingbright Electronic Co., Ltd.

8

Sunscreen Company Limited

8

continued in next column

Figure 9: Inter Partes Review Proceedings--Semiconductor Petitioners (201216)16

Petitioner Kingbright Corp. Sony Electronics, Inc. Sony Corporation Qioptiq Photonics GmbH & Co. KG Sony Corporation of America Excelitas Technologies Corp. ASML US, Inc. ASML Netherlands BV NVIDIA Corporation

IPRs 8 7 7 6 6 6 6 6 6

Figure 10: Inter Partes Review Proceedings--Semiconductor Patent Owners (201216)17

Patent Owner Daniel L Flamm Elm 3DS Innovations, LLC Godo Kaisha IP Bridge 1 Cree, Inc. DSS Technology Management, Inc. Tessera, Inc. In-Depth Test LLC Samsung Electronics Co., Ltd. Enthone Inc. Wi-LAN, Inc. Energetiq Technology, Inc. IP Bridge Document Security Systems, Inc. Trustees of Boston University Spansion LLC Round Rock Research LLC Amkor Technology, Inc. Tessera Technologies, Inc. Nichia Corporation Raytheon Company Home Semiconductor Corporation Xilinx, Inc. Wi-LAN Technologies, Inc. Collabo Innovations, Inc. ProMOS Technologies Inc. Ziptronix, Inc. Knowles Electronics LLC

IPRs 18 16 12 11 10 6 6 6 6 6 6 6 5 5 5 5 4 4 4 4 4 4 4 4 4 4 4

Jones Day White Paper

6

ITC PROCEEDINGS

After peaking in 2011, semiconductor patent-related investigations in the International Trade Commission ("ITC") declined in popularity, as Figure 11 illustrates.

Figure 12 identifies the complainants in ITC investigations involving semiconductor patents since 2008, and Figure 13 lists the respondents. Since 2008, investigations have been initiated on complaints filed by Samsung (5), Freescale Semiconductor (5), Spansion (4), Knowles Electronics (4), Tessera (3), and Hewlett-Packard (3). Respondents included LG Electronics (9) and Samsung (7).

Figure 11: International Trade Commission Proceedings-- Semiconductor Devices18

16

14

12

10

8 16

6 11

12

9 4

66

2 3

4 2

0 2008 2009 2010 2011 2012 2013 2014 2015 2016

Figure 12: International Trade Commission Proceedings-- Semiconductor Patent Complainants (200816)19

Complainant

Samsung Electronics Co., Ltd. Freescale Semiconductor, Inc. Spansion LLC Knowles Electronics LLC Tessera, Inc. HP Inc. Graphics Properties Holdings, Inc. Gertrude Neumark Rothschild Sharp Corporation

ITC Proceedings

5 5 4 4 3 3 2 2 2

continued in next column

Figure 12: International Trade Commission Proceedings-- Semiconductor Patent Complainants (200816)19

Complainant

Silicon Genesis Corporation OSRAM GmbH Thomson Licensing SAS Thomson Licensing LLC Macronix America, Inc. Macronix International Co., Ltd. OSRAM AG

ITC Proceedings

2 2 2 2 2 2 2

Figure 13: International Trade Commission Proceedings-- Semiconductor Patent Respondents (200816)20

Respondent

LG Electronics, Inc. LG Electronics USA, Inc. Samsung Electronics America, Inc. Samsung Electronics Co., Ltd. Research In Motion Corporation Kingston Technology Company, Inc. ASUSTeK Computer Inc. BenQ America Corp. VIZIO, Inc. BenQ Corporation Research In Motion Limited Apple Inc. Sony Corporation HTC America, Inc. HTC Corporation Acer Inc. Sony Ericsson Mobile Communications, AB Sony Corporation of America Elpida Memory, Inc. Tellabs, Inc. Sony Electronics, Inc. Nokia Corporation Spansion, Inc. Sanyo Electric Co., Ltd. LG Electronics Mobilecomm USA, Inc. Acer America Corporation Microsoft Mobile Inc. f/k/a/ Nokia Inc.

ITC Proceedings

9 8 7 7 5 5 5 5 5 5 5 5 5 5 5 5 4 4 4 4 4 4 4 4 4 4 4

Jones Day White Paper

7

THE FUTURE

LAWYER CONTACTS

Given the expected continuing increase in research and development spending, it is likely that the number of semiconductor patents granted will continue to increase for years to come. With more granted patents, we anticipate that there will also be an increase in semiconductor patent litigation despite the ongoing consolidation in the industry. By reducing potential competitor disputes, mergers among rivals might tend to slow the rate of litigation somewhat. However, mergers between noncompetitors may be less likely to impact the upward litigation trend. Litigation involving nonpracticing entities is not likely to be affected by consolidation among industry members.

We expect that district courts in California, Delaware, and Texas will continue to handle the most semiconductor suits, absent changes in the current venue determination rules. Legislative efforts to limit venue stalled in Congress in 2016. However, in a closely watched case, the United States Supreme Court granted a petition for writ of certiorari regarding the interpretation of the current patent venue statute.21 In TC Heartland, the petitioner questions whether 28 U.S.C. 1400(b) is the sole and exclusive provision governing venue in patent infringement actions, thus confining venue to "the judicial district where the defendant resides, or where the defendant has committed acts of infringement and has a regular and established place of business." One study concluded that about half the suits filed by nonpracticing entities would need to be filed in another district under a more limited interpretation of venue.22

For further information, please contact your principal Firm representative or one of the lawyers listed below. General email messages may be sent using our "Contact Us" form, which can be found at www.jonesday.com/contactus/.

David L. Witcoff Chicago +1.312.269.4259 [email protected]

Thomas W. Ritchie Chicago +1.312.269.4003 [email protected]

Given the extremely favorable rate at which semiconductor patent claims are held unpatentable in IPRs, we expect petitions will be continue to be filed at a rate commensurate with that of district court suits.

Despite the lower number of complaints filed in comparison with suits in district court, the ITC remains an attractive venue for semiconductor patent owners. The ITC provides for relatively swift adjudication and offers a strong remedy in the form of an exclusion order banning the import of infringing products. Furthermore, in contrast to litigation in district courts, the ITC is unlikely to stay an investigation in favor of IPR proceedings.23

Jones Day White Paper

8

ENDNOTES

1 Semiconductor Industry Association, Intellectual Property. 2 U.S. Patent No. 2,569,347 (claiming a "solid conductive device for

controlling electrical energy that comprises a body of semiconductive material having two zones of one conductivity type separated by a zone of the opposite conductivity type"). 3 Semiconductor Industry Association, supra note 1. 4 Id. 5 Semiconductor Industry Association, Semiconductors by the Numbers. 6KPMG, Global Semiconductor Outlook 2016, at 10. 7 Helen Chen et al., Winning through M&A? Deal making in the semiconductor sector, McKinsey & Company. 8 IC Insights Strategic Reviews Database, "1H 2016 Top 20 Semiconductor Sales Leaders." 9 Semiconductor Industry Association, 2016 Factbook 17 (March 2016). 10 U.S. Patent and Trademark Office, Patent Technology Monitoring Team Report, Semiconductor Devices and Manufacturing, Number of Patents Granted as Distributed by Year of Patent Grant. 11 Id., Organizational Patentees With 25 or More Patents Granted During the Period. 12 DocketNavigator Analytics. 13 Id. 14 Id. 15 Id. 16 Id. 17 Id. 18 Id. 19 Id. 20 Id. 21 In re TC Heartland LLC, 821 F.3d 1338 (Fed. Cir. 2016), cert. granted, 2016 WL 4944616 (U.S. Dec. 14, 2016) (No. 16-341). 22 Colleen V. Chien & Michael Risch, Recalibrating Patent Venue. 23 Blaney Harper et al., "ITC Refuses to Stay Investigation Pending Inter Partes Review," Jones Day Commentary.

Jones Day publications should not be construed as legal advice on any specific facts or circumstances. The contents are intended for general information purposes only and may not be quoted or referred to in any other publication or proceeding without the prior written consent of the Firm, to be given or withheld at our discretion. To request reprint permission for any of our publications, please use our "Contact Us" form, which can be found on our website at www.jonesday.com. The mailing of this publication is not intended to create, and receipt of it does not constitute, an attorney-client relationship. The views set forth herein are the personal views of the authors and do not necessarily reflect those of the Firm.

2017 Jones Day. All rights reserved. Printed in the U.S.A.

Jones Day - David L. Witcoff and Thomas W. Ritchie

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